31311122012002 has 16 divisors (see below), whose sum is σ = 53757660179520. Its totient is φ = 13398689536848.

The previous prime is 31311122011921. The next prime is 31311122012029. The reversal of 31311122012002 is 20021022111313.

It is a super-3 number, since 3×31311122012002³ (a number of 41 digits) contains 333 as substring.

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, 1696886613 + ... + 1696905064.

It is an arithmetic number, because the mean of its divisors is an integer number (3359853761220).

Almost surely, 2^{31311122012002} is an apocalyptic number.

31311122012002 is a deficient number, since it is larger than the sum of its proper divisors (22446538167518).

31311122012002 is a wasteful number, since it uses less digits than its factorization.

31311122012002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3393792345.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 31311122012002 its reverse (20021022111313), we get a palindrome (51332144123315).

The spelling of 31311122012002 in words is "thirty-one trillion, three hundred eleven billion, one hundred twenty-two million, twelve thousand, two".