13003031131 has 8 divisors (see below), whose sum is σ = 13084684704. Its totient is φ = 12921485760.

The previous prime is 13003031123. The next prime is 13003031137. The reversal of 13003031131 is 13113030031.

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 13003031131 - 2³ = 13003031123 is a prime.

It is a super-2 number, since 2×13003031131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13003031137) 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, 221151 + ... + 273703.

It is an arithmetic number, because the mean of its divisors is an integer number (1635585588).

Almost surely, 2^13003031131 is an apocalyptic number.

13003031131 is a deficient number, since it is larger than the sum of its proper divisors (81653573).

13003031131 is a wasteful number, since it uses less digits than its factorization.

13003031131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54101.

The product of its (nonzero) digits is 81, while the sum is 16.

Adding to 13003031131 its reverse (13113030031), we get a palindrome (26116061162).

It can be divided in two parts, 130030 and 31131, that added together give a palindrome (161161).

The spelling of 13003031131 in words is "thirteen billion, three million, thirty-one thousand, one hundred thirty-one".