31132113230 has 16 divisors (see below), whose sum is σ = 56048932800. Its totient is φ = 12450372192.

The previous prime is 31132113223. The next prime is 31132113307. The reversal of 31132113230 is 3231123113.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 255830 + ... + 357369.

It is an arithmetic number, because the mean of its divisors is an integer number (3503058300).

Almost surely, 2^31132113230 is an apocalyptic number.

31132113230 is a deficient number, since it is larger than the sum of its proper divisors (24916819570).

31132113230 is a wasteful number, since it uses less digits than its factorization.

31132113230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618283.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 31132113230 its reverse (3231123113), we get a palindrome (34363236343).

The spelling of 31132113230 in words is "thirty-one billion, one hundred thirty-two million, one hundred thirteen thousand, two hundred thirty".