31034310032 has 120 divisors (see below), whose sum is σ = 67942026432. Its totient is φ = 13618368000.

The previous prime is 31034310011. The next prime is 31034310061. The reversal of 31034310032 is 23001343013.

It is a junction number, because it is equal to n+sod(n) for n = 31034309986 and 31034310013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36382118 + ... + 36382970.

Almost surely, 2^31034310032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31034310032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33971013216).

31034310032 is an abundant number, since it is smaller than the sum of its proper divisors (36907716400).

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

31034310032 is a wasteful number, since it uses less digits than its factorization.

31034310032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1097 (or 1054 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 31034310032 its reverse (23001343013), we get a palindrome (54035653045).

The spelling of 31034310032 in words is "thirty-one billion, thirty-four million, three hundred ten thousand, thirty-two".