31232303223000 has 256 divisors, whose sum is σ = 106321572864000. Its totient is φ = 7570173312000.

The previous prime is 31232303222957. The next prime is 31232303223031. The reversal of 31232303223000 is 32230323213.

It is a super-2 number, since 2×31232303223000² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 200529156 + ... + 200684844.

It is an arithmetic number, because the mean of its divisors is an integer number (415318644000).

Almost surely, 2^{31232303223000} is an apocalyptic number.

31232303223000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31232303223000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53160786432000).

31232303223000 is an abundant number, since it is smaller than the sum of its proper divisors (75089269641000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31232303223000 is a wasteful number, since it uses less digits than its factorization.

31232303223000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161803 (or 161789 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 24.

Adding to 31232303223000 its reverse (32230323213), we get a palindrome (31264533546213).

The spelling of 31232303223000 in words is "thirty-one trillion, two hundred thirty-two billion, three hundred three million, two hundred twenty-three thousand".