31323041230 has 32 divisors (see below), whose sum is σ = 62812260000. Its totient is φ = 11166621312.

The previous prime is 31323041153. The next prime is 31323041279. The reversal of 31323041230 is 3214032313.

It is a super-2 number, since 2×31323041230² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4150480 + ... + 4158019.

It is an arithmetic number, because the mean of its divisors is an integer number (1962883125).

Almost surely, 2^31323041230 is an apocalyptic number.

31323041230 is an abundant number, since it is smaller than the sum of its proper divisors (31489218770).

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

31323041230 is a wasteful number, since it uses less digits than its factorization.

31323041230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8308548.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 31323041230 its reverse (3214032313), we get a palindrome (34537073543).

The spelling of 31323041230 in words is "thirty-one billion, three hundred twenty-three million, forty-one thousand, two hundred thirty".