31033223332 has 12 divisors (see below), whose sum is σ = 54313228060. Its totient is φ = 15515158176.

The previous prime is 31033223329. The next prime is 31033223357. The reversal of 31033223332 is 23332233013.

It can be written as a sum of positive squares in 2 ways, for example, as 11641546816 + 19391676516 = 107896^2 + 139254^2 .

It is a junction number, because it is equal to n+sod(n) for n = 31033223297 and 31033223306.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 314607 + ... + 401302.

Almost surely, 2^31033223332 is an apocalyptic number.

It is an amenable number.

31033223332 is a deficient number, since it is larger than the sum of its proper divisors (23280004728).

31033223332 is a wasteful number, since it uses less digits than its factorization.

31033223332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 726750 (or 726748 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 25.

Adding to 31033223332 its reverse (23332233013), we get a palindrome (54365456345).

The spelling of 31033223332 in words is "thirty-one billion, thirty-three million, two hundred twenty-three thousand, three hundred thirty-two".