31033131032 has 32 divisors (see below), whose sum is σ = 62453883600. Its totient is φ = 14403769344.

The previous prime is 31033130983. The next prime is 31033131119. The reversal of 31033131032 is 23013133013.

It is a junction number, because it is equal to n+sod(n) for n = 31033130995 and 31033131013.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1552982 + ... + 1572837.

Almost surely, 2^31033131032 is an apocalyptic number.

It is an amenable number.

31033131032 is an abundant number, since it is smaller than the sum of its proper divisors (31420752568).

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

31033131032 is a wasteful number, since it uses less digits than its factorization.

31033131032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3125915 (or 3125911 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 31033131032 its reverse (23013133013), we get a palindrome (54046264045).

The spelling of 31033131032 in words is "thirty-one billion, thirty-three million, one hundred thirty-one thousand, thirty-two".