31310020211102 has 32 divisors (see below), whose sum is σ = 47332877472000. Its totient is φ = 15533016303168.

The previous prime is 31310020211089. The next prime is 31310020211269. The reversal of 31310020211102 is 20111202001313.

It is a super-3 number, since 3×31310020211102³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

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, 122802149 + ... + 123056847.

It is an arithmetic number, because the mean of its divisors is an integer number (1479152421000).

Almost surely, 2^{31310020211102} is an apocalyptic number.

31310020211102 is a deficient number, since it is larger than the sum of its proper divisors (16022857260898).

31310020211102 is a wasteful number, since it uses less digits than its factorization.

31310020211102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255920.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 31310020211102 its reverse (20111202001313), we get a palindrome (51421222212415).

The spelling of 31310020211102 in words is "thirty-one trillion, three hundred ten billion, twenty million, two hundred eleven thousand, one hundred two".