31030230232 has 8 divisors (see below), whose sum is σ = 58181681700. Its totient is φ = 15515115112.

The previous prime is 31030230229. The next prime is 31030230241. The reversal of 31030230232 is 23203203013.

It is a happy number.

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

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, 1939389382 + ... + 1939389397.

Almost surely, 2^31030230232 is an apocalyptic number.

It is an amenable number.

31030230232 is a deficient number, since it is larger than the sum of its proper divisors (27151451468).

31030230232 is a wasteful number, since it uses less digits than its factorization.

31030230232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3878778785 (or 3878778781 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 31030230232 its reverse (23203203013), we get a palindrome (54233433245).

The spelling of 31030230232 in words is "thirty-one billion, thirty million, two hundred thirty thousand, two hundred thirty-two".