22013131002 has 32 divisors (see below), whose sum is σ = 44134009920. Its totient is φ = 7319777280.

The previous prime is 22013130991. The next prime is 22013131013. The reversal of 22013131002 is 20013131022.

It is an interprime number because it is at equal distance from previous prime (22013130991) and next prime (22013131013).

It is a super-2 number, since 2×22013131002² (a number of 21 digits) contains 22 as substring.

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, 5031688 + ... + 5036060.

It is an arithmetic number, because the mean of its divisors is an integer number (1379187810).

Almost surely, 2^22013131002 is an apocalyptic number.

22013131002 is an abundant number, since it is smaller than the sum of its proper divisors (22120878918).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22013131002 is a wasteful number, since it uses less digits than its factorization.

22013131002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6238.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 22013131002 its reverse (20013131022), we get a palindrome (42026262024).

The spelling of 22013131002 in words is "twenty-two billion, thirteen million, one hundred thirty-one thousand, two".