11700340631 has 4 divisors (see below), whose sum is σ = 13371817872. Its totient is φ = 10028863392.

The previous prime is 11700340621. The next prime is 11700340697. The reversal of 11700340631 is 13604300711.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11700340631 - 2¹⁴ = 11700324247 is a prime.

It is a super-2 number, since 2×11700340631² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11700340631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11700340621) 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, 835738610 + ... + 835738623.

It is an arithmetic number, because the mean of its divisors is an integer number (3342954468).

Almost surely, 2^11700340631 is an apocalyptic number.

11700340631 is a deficient number, since it is larger than the sum of its proper divisors (1671477241).

11700340631 is an equidigital number, since it uses as much as digits as its factorization.

11700340631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1671477240.

The product of its (nonzero) digits is 1512, while the sum is 26.

The spelling of 11700340631 in words is "eleven billion, seven hundred million, three hundred forty thousand, six hundred thirty-one".