31313111202010 has 16 divisors (see below), whose sum is σ = 61487563815072. Its totient is φ = 11386585891600.

The previous prime is 31313111201959. The next prime is 31313111202031. The reversal of 31313111202010 is 1020211131313.

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, 142332323536 + ... + 142332323755.

It is an arithmetic number, because the mean of its divisors is an integer number (3842972738442).

Almost surely, 2^{31313111202010} is an apocalyptic number.

31313111202010 is a deficient number, since it is larger than the sum of its proper divisors (30174452613062).

31313111202010 is a wasteful number, since it uses less digits than its factorization.

31313111202010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284664647309.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 31313111202010 its reverse (1020211131313), we get a palindrome (32333322333323).

The spelling of 31313111202010 in words is "thirty-one trillion, three hundred thirteen billion, one hundred eleven million, two hundred two thousand, ten".