31362406613 has 8 divisors (see below), whose sum is σ = 33056019000. Its totient is φ = 29709604288.

The previous prime is 31362406591. The next prime is 31362406619. The reversal of 31362406613 is 31660426313.

It can be written as a sum of positive squares in 4 ways, for example, as 668067409 + 30694339204 = 25847^2 + 175198^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31362406613 - 2¹² = 31362402517 is a prime.

It is a super-2 number, since 2×31362406613² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31362406619) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10200938 + ... + 10204011.

It is an arithmetic number, because the mean of its divisors is an integer number (4132002375).

Almost surely, 2^31362406613 is an apocalyptic number.

It is an amenable number.

31362406613 is a deficient number, since it is larger than the sum of its proper divisors (1693612387).

31362406613 is a wasteful number, since it uses less digits than its factorization.

31362406613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20405031.

The product of its (nonzero) digits is 46656, while the sum is 35.

The spelling of 31362406613 in words is "thirty-one billion, three hundred sixty-two million, four hundred six thousand, six hundred thirteen".