10311401232 has 180 divisors, whose sum is σ = 33390033040. Its totient is φ = 2960115840.

The previous prime is 10311401227. The next prime is 10311401263. The reversal of 10311401232 is 23210411301.

10311401232 is a `hidden beast` number, since 1 + 0 + 31 + 1 + 401 + 232 = 666.

It is a super-2 number, since 2×10311401232² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 315483 + ... + 346629.

Almost surely, 2^10311401232 is an apocalyptic number.

10311401232 is a gapful number since it is divisible by the number (12) 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 10311401232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16695016520).

10311401232 is an abundant number, since it is smaller than the sum of its proper divisors (23078631808).

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

10311401232 is a wasteful number, since it uses less digits than its factorization.

10311401232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31202 (or 31182 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 10311401232 its reverse (23210411301), we get a palindrome (33521812533).

The spelling of 10311401232 in words is "ten billion, three hundred eleven million, four hundred one thousand, two hundred thirty-two".