31634211243613 has 64 divisors (see below), whose sum is σ = 35932444950528. Its totient is φ = 27600264000000.

The previous prime is 31634211243599. The next prime is 31634211243623.

31634211243613 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 31634211243613 - 2²⁵ = 31634177689181 is a prime.

It is a super-2 number, since 2×31634211243613² (a number of 28 digits) contains 22 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 (31634211243623) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4727871598 + ... + 4727878288.

It is an arithmetic number, because the mean of its divisors is an integer number (561444452352).

Almost surely, 2^{31634211243613} is an apocalyptic number.

It is an amenable number.

31634211243613 is a deficient number, since it is larger than the sum of its proper divisors (4298233706915).

31634211243613 is a wasteful number, since it uses less digits than its factorization.

31634211243613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7498.

The product of its digits is 186624, while the sum is 40.

The spelling of 31634211243613 in words is "thirty-one trillion, six hundred thirty-four billion, two hundred eleven million, two hundred forty-three thousand, six hundred thirteen".