31103013012110 has 32 divisors (see below), whose sum is σ = 62913385523520. Its totient is φ = 10984876835328.

The previous prime is 31103013012109. The next prime is 31103013012143. The reversal of 31103013012110 is 1121031030113.

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, 5201169755 + ... + 5201175734.

It is an arithmetic number, because the mean of its divisors is an integer number (1966043297610).

Almost surely, 2^{31103013012110} is an apocalyptic number.

31103013012110 is an abundant number, since it is smaller than the sum of its proper divisors (31810372511410).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31103013012110 is a wasteful number, since it uses less digits than its factorization.

31103013012110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10402345532.

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

Adding to 31103013012110 its reverse (1121031030113), we get a palindrome (32224044042223).

The spelling of 31103013012110 in words is "thirty-one trillion, one hundred three billion, thirteen million, twelve thousand, one hundred ten".