31010223132 has 72 divisors (see below), whose sum is σ = 89631360000. Its totient is φ = 8855487648.

The previous prime is 31010223113. The next prime is 31010223151. The reversal of 31010223132 is 23132201013.

31010223132 is a `hidden beast` number, since 310 + 1 + 0 + 223 + 132 = 666.

It is an interprime number because it is at equal distance from previous prime (31010223113) and next prime (31010223151).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 472969 + ... + 534527.

It is an arithmetic number, because the mean of its divisors is an integer number (1244880000).

Almost surely, 2^31010223132 is an apocalyptic number.

It is an amenable number.

31010223132 is an abundant number, since it is smaller than the sum of its proper divisors (58621136868).

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

31010223132 is a wasteful number, since it uses less digits than its factorization.

31010223132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63575 (or 63570 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 31010223132 its reverse (23132201013), we get a palindrome (54142424145).

The spelling of 31010223132 in words is "thirty-one billion, ten million, two hundred twenty-three thousand, one hundred thirty-two".