31232113000 has 64 divisors (see below), whose sum is σ = 79727094720. Its totient is φ = 11357128000.

The previous prime is 31232112997. The next prime is 31232113007. The reversal of 31232113000 is 31123213.

It is not an unprimeable number, because it can be changed into a prime (31232113007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1408642 + ... + 1430641.

It is an arithmetic number, because the mean of its divisors is an integer number (1245735855).

Almost surely, 2^31232113000 is an apocalyptic number.

It is an amenable number.

31232113000 is an abundant number, since it is smaller than the sum of its proper divisors (48494981720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31232113000 is a wasteful number, since it uses less digits than its factorization.

31232113000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2839315 (or 2839301 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 31232113000 its reverse (31123213), we get a palindrome (31263236213).

The spelling of 31232113000 in words is "thirty-one billion, two hundred thirty-two million, one hundred thirteen thousand".