31013110010103 has 24 divisors (see below), whose sum is σ = 44777294156160. Its totient is φ = 19084577484960.

The previous prime is 31013110010101. The next prime is 31013110010149. The reversal of 31013110010103 is 30101001131013.

It is not a de Polignac number, because 31013110010103 - 2¹ = 31013110010101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31013110010101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23652508 + ... + 24929246.

It is an arithmetic number, because the mean of its divisors is an integer number (1865720589840).

Almost surely, 2^{31013110010103} is an apocalyptic number.

31013110010103 is a deficient number, since it is larger than the sum of its proper divisors (13764184146057).

31013110010103 is a wasteful number, since it uses less digits than its factorization.

31013110010103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1324679 (or 1324666 counting only the distinct ones).

The product of its (nonzero) digits is 27, while the sum is 15.

Adding to 31013110010103 its reverse (30101001131013), we get a palindrome (61114111141116).

The spelling of 31013110010103 in words is "thirty-one trillion, thirteen billion, one hundred ten million, ten thousand, one hundred three".