31013323103 has 16 divisors (see below), whose sum is σ = 35616612096. Its totient is φ = 26453373120.

The previous prime is 31013323079. The next prime is 31013323127. The reversal of 31013323103 is 30132331013.

It is an interprime number because it is at equal distance from previous prime (31013323079) and next prime (31013323127).

It is a cyclic number.

It is not a de Polignac number, because 31013323103 - 2¹⁰ = 31013322079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31013323153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3471200 + ... + 3480122.

It is an arithmetic number, because the mean of its divisors is an integer number (2226038256).

Almost surely, 2^31013323103 is an apocalyptic number.

31013323103 is a deficient number, since it is larger than the sum of its proper divisors (4603288993).

31013323103 is a wasteful number, since it uses less digits than its factorization.

31013323103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11294.

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 31013323103 its reverse (30132331013), we get a palindrome (61145654116).

The spelling of 31013323103 in words is "thirty-one billion, thirteen million, three hundred twenty-three thousand, one hundred three".