31614441613 has 4 divisors (see below), whose sum is σ = 31823808928. Its totient is φ = 31405074300.

The previous prime is 31614441589. The next prime is 31614441619.

31614441613 is nontrivially palindromic in base 10.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31614441613 is a prime.

It is a super-3 number, since 3×31614441613³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31614441619) 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, 104683431 + ... + 104683732.

It is an arithmetic number, because the mean of its divisors is an integer number (7955952232).

Almost surely, 2^31614441613 is an apocalyptic number.

It is an amenable number.

31614441613 is a deficient number, since it is larger than the sum of its proper divisors (209367315).

31614441613 is a wasteful number, since it uses less digits than its factorization.

31614441613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209367314.

The product of its digits is 20736, while the sum is 34.

The spelling of 31614441613 in words is "thirty-one billion, six hundred fourteen million, four hundred forty-one thousand, six hundred thirteen".