913001331131 has 4 divisors (see below), whose sum is σ = 915710534232. Its totient is φ = 910292128032.

The previous prime is 913001331107. The next prime is 913001331149. The reversal of 913001331131 is 131133100319.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-913001331131 is a prime.

It is a super-2 number, since 2×913001331131² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 913001331131.

It is not an unprimeable number, because it can be changed into a prime (913001331181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1354601045 + ... + 1354601718.

It is an arithmetic number, because the mean of its divisors is an integer number (228927633558).

Almost surely, 2^913001331131 is an apocalyptic number.

913001331131 is a deficient number, since it is larger than the sum of its proper divisors (2709203101).

913001331131 is a wasteful number, since it uses less digits than its factorization.

913001331131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2709203100.

The product of its (nonzero) digits is 729, while the sum is 26.

The spelling of 913001331131 in words is "nine hundred thirteen billion, one million, three hundred thirty-one thousand, one hundred thirty-one".