31232112002 has 32 divisors (see below), whose sum is σ = 57686909952. Its totient is φ = 12349641024.

The previous prime is 31232111993. The next prime is 31232112019. The reversal of 31232112002 is 20021123213.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 349988 + ... + 430064.

It is an arithmetic number, because the mean of its divisors is an integer number (1802715936).

Almost surely, 2^31232112002 is an apocalyptic number.

31232112002 is a deficient number, since it is larger than the sum of its proper divisors (26454797950).

31232112002 is a wasteful number, since it uses less digits than its factorization.

31232112002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82242.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 31232112002 its reverse (20021123213), we get a palindrome (51253235215).

It can be divided in two parts, 3123211 and 2002, that added together give a palindrome (3125213).

The spelling of 31232112002 in words is "thirty-one billion, two hundred thirty-two million, one hundred twelve thousand, two".