31313311130102 has 32 divisors (see below), whose sum is σ = 48822168795840. Its totient is φ = 15054235356160.

The previous prime is 31313311130083. The next prime is 31313311130113. The reversal of 31313311130102 is 20103111331313.

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, 13620674 + ... + 15752757.

It is an arithmetic number, because the mean of its divisors is an integer number (1525692774870).

Almost surely, 2^{31313311130102} is an apocalyptic number.

31313311130102 is a deficient number, since it is larger than the sum of its proper divisors (17508857665738).

31313311130102 is a wasteful number, since it uses less digits than its factorization.

31313311130102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29373688.

The product of its (nonzero) digits is 486, while the sum is 23.

Adding to 31313311130102 its reverse (20103111331313), we get a palindrome (51416422461415).

The spelling of 31313311130102 in words is "thirty-one trillion, three hundred thirteen billion, three hundred eleven million, one hundred thirty thousand, one hundred two".