31103021313032 has 32 divisors (see below), whose sum is σ = 58448133705600. Its totient is φ = 15516856939584.

The previous prime is 31103021312999. The next prime is 31103021313083. The reversal of 31103021313032 is 23031312030113.

It is a junction number, because it is equal to n+sod(n) for n = 31103021312989 and 31103021313007.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55120019 + ... + 55681437.

It is an arithmetic number, because the mean of its divisors is an integer number (1826504178300).

Almost surely, 2^{31103021313032} is an apocalyptic number.

It is an amenable number.

31103021313032 is a deficient number, since it is larger than the sum of its proper divisors (27345112392568).

31103021313032 is a wasteful number, since it uses less digits than its factorization.

31103021313032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576845 (or 576841 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 31103021313032 its reverse (23031312030113), we get a palindrome (54134333343145).

The spelling of 31103021313032 in words is "thirty-one trillion, one hundred three billion, twenty-one million, three hundred thirteen thousand, thirty-two".