10000113311531 has 4 divisors (see below), whose sum is σ = 11428700927472. Its totient is φ = 8571525695592.

The previous prime is 10000113311497. The next prime is 10000113311569. The reversal of 10000113311531 is 13511331100001.

10000113311531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 10000113311531 - 2³⁸ = 9725235404587 is a prime.

It is a super-2 number, since 2×10000113311531² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10000113319531) 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, 714293807960 + ... + 714293807973.

It is an arithmetic number, because the mean of its divisors is an integer number (2857175231868).

Almost surely, 2^{10000113311531} is an apocalyptic number.

10000113311531 is a deficient number, since it is larger than the sum of its proper divisors (1428587615941).

10000113311531 is an equidigital number, since it uses as much as digits as its factorization.

10000113311531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1428587615940.

The product of its (nonzero) digits is 135, while the sum is 20.

Adding to 10000113311531 its reverse (13511331100001), we get a palindrome (23511444411532).

The spelling of 10000113311531 in words is "ten trillion, one hundred thirteen million, three hundred eleven thousand, five hundred thirty-one".