13000031002 has 32 divisors (see below), whose sum is σ = 24838634880. Its totient is φ = 4967723520.

The previous prime is 13000030973. The next prime is 13000031027. The reversal of 13000031002 is 20013000031.

It is a super-2 number, since 2×13000031002² (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 13000031002.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1432899 + ... + 1441942.

It is an arithmetic number, because the mean of its divisors is an integer number (776207340).

Almost surely, 2^13000031002 is an apocalyptic number.

13000031002 is a deficient number, since it is larger than the sum of its proper divisors (11838603878).

13000031002 is a wasteful number, since it uses less digits than its factorization.

13000031002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2874886.

The product of its (nonzero) digits is 18, while the sum is 10.

Adding to 13000031002 its reverse (20013000031), we get a palindrome (33013031033).

The spelling of 13000031002 in words is "thirteen billion, thirty-one thousand, two".