1231310301100 has 288 divisors, whose sum is σ = 3055501310400. Its totient is φ = 426585600000.

The previous prime is 1231310301073. The next prime is 1231310301103. The reversal of 1231310301100 is 11030131321.

It is a super-2 number, since 2×1231310301100² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1231310301103) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1485295486 + ... + 1485296314.

It is an arithmetic number, because the mean of its divisors is an integer number (10609379550).

Almost surely, 2^{1231310301100} is an apocalyptic number.

1231310301100 is a gapful number since it is divisible by the number (10) 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 1231310301100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1527750655200).

1231310301100 is an abundant number, since it is smaller than the sum of its proper divisors (1824191009300).

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

1231310301100 is a wasteful number, since it uses less digits than its factorization.

1231310301100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1445 (or 1438 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 1231310301100 its reverse (11030131321), we get a palindrome (1242340432421).

The spelling of 1231310301100 in words is "one trillion, two hundred thirty-one billion, three hundred ten million, three hundred one thousand, one hundred".