13210222131 has 24 divisors (see below), whose sum is σ = 20360883920. Its totient is φ = 8228998656.

The previous prime is 13210222127. The next prime is 13210222163. The reversal of 13210222131 is 13122201231.

It is not a de Polignac number, because 13210222131 - 2² = 13210222127 is a prime.

It is a super-2 number, since 2×13210222131² (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 (13210222331) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 516646 + ... + 541611.

Almost surely, 2^13210222131 is an apocalyptic number.

13210222131 is a deficient number, since it is larger than the sum of its proper divisors (7150661789).

13210222131 is a wasteful number, since it uses less digits than its factorization.

13210222131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1058355 (or 1058352 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 13210222131 its reverse (13122201231), we get a palindrome (26332423362).

The spelling of 13210222131 in words is "thirteen billion, two hundred ten million, two hundred twenty-two thousand, one hundred thirty-one".