31614353013 has 4 divisors (see below), whose sum is σ = 42152470688. Its totient is φ = 21076235340.

The previous prime is 31614353011. The next prime is 31614353033. The reversal of 31614353013 is 31035341613.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31035341613 = 3 ⋅10345113871.

It is not a de Polignac number, because 31614353013 - 2¹ = 31614353011 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 (31614353011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5269058833 + ... + 5269058838.

It is an arithmetic number, because the mean of its divisors is an integer number (10538117672).

Almost surely, 2^31614353013 is an apocalyptic number.

It is an amenable number.

31614353013 is a deficient number, since it is larger than the sum of its proper divisors (10538117675).

31614353013 is a wasteful number, since it uses less digits than its factorization.

31614353013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10538117674.

The product of its (nonzero) digits is 9720, while the sum is 30.

Adding to 31614353013 its reverse (31035341613), we get a palindrome (62649694626).

The spelling of 31614353013 in words is "thirty-one billion, six hundred fourteen million, three hundred fifty-three thousand, thirteen".