31033230232 has 8 divisors (see below), whose sum is σ = 58187306700. Its totient is φ = 15516615112.

The previous prime is 31033230203. The next prime is 31033230257. The reversal of 31033230232 is 23203233013.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×31033230232² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1939576882 + ... + 1939576897.

Almost surely, 2^31033230232 is an apocalyptic number.

It is an amenable number.

31033230232 is a deficient number, since it is larger than the sum of its proper divisors (27154076468).

31033230232 is a wasteful number, since it uses less digits than its factorization.

31033230232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3879153785 (or 3879153781 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 22.

Adding to 31033230232 its reverse (23203233013), we get a palindrome (54236463245).

The spelling of 31033230232 in words is "thirty-one billion, thirty-three million, two hundred thirty thousand, two hundred thirty-two".