31000100103032 has 16 divisors (see below), whose sum is σ = 58724416433760. Its totient is φ = 15340255720704.

The previous prime is 31000100103017. The next prime is 31000100103053. The reversal of 31000100103032 is 23030100100013.

It is a super-2 number, since 2×31000100103032² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31000100102998 and 31000100103016.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19974290528 + ... + 19974292079.

It is an arithmetic number, because the mean of its divisors is an integer number (3670276027110).

Almost surely, 2^{31000100103032} is an apocalyptic number.

It is an amenable number.

31000100103032 is a deficient number, since it is larger than the sum of its proper divisors (27724316330728).

31000100103032 is a wasteful number, since it uses less digits than its factorization.

31000100103032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39948582710 (or 39948582706 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 31000100103032 its reverse (23030100100013), we get a palindrome (54030200203045).

The spelling of 31000100103032 in words is "thirty-one trillion, one hundred million, one hundred three thousand, thirty-two".