31031013110102 has 16 divisors (see below), whose sum is σ = 46556344088592. Its totient is φ = 15512232002400.

The previous prime is 31031013110101. The next prime is 31031013110107. The reversal of 31031013110102 is 20101131013013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31031013110101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 327467093 + ... + 327561839.

It is an arithmetic number, because the mean of its divisors is an integer number (2909771505537).

Almost surely, 2^{31031013110102} is an apocalyptic number.

31031013110102 is a deficient number, since it is larger than the sum of its proper divisors (15525330978490).

31031013110102 is a wasteful number, since it uses less digits than its factorization.

31031013110102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127583.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 31031013110102 its reverse (20101131013013), we get a palindrome (51132144123115).

The spelling of 31031013110102 in words is "thirty-one trillion, thirty-one billion, thirteen million, one hundred ten thousand, one hundred two".