31201230332 has 6 divisors (see below), whose sum is σ = 54602153088. Its totient is φ = 15600615164.

The previous prime is 31201230311. The next prime is 31201230341. The reversal of 31201230332 is 23303210213.

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, 3900153788 + ... + 3900153795.

It is an arithmetic number, because the mean of its divisors is an integer number (9100358848).

Almost surely, 2^31201230332 is an apocalyptic number.

It is an amenable number.

31201230332 is a deficient number, since it is larger than the sum of its proper divisors (23400922756).

31201230332 is a wasteful number, since it uses less digits than its factorization.

31201230332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7800307587 (or 7800307585 counting only the distinct ones).

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

Adding to 31201230332 its reverse (23303210213), we get a palindrome (54504440545).

The spelling of 31201230332 in words is "thirty-one billion, two hundred one million, two hundred thirty thousand, three hundred thirty-two".