213629897131 has 24 divisors (see below), whose sum is σ = 262865287584. Its totient is φ = 172750596480.

The previous prime is 213629897087. The next prime is 213629897137. The reversal of 213629897131 is 131798926312.

It is not a de Polignac number, because 213629897131 - 2⁷ = 213629897003 is a prime.

It is a super-2 number, since 2×213629897131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213629897137) 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, 1216060 + ... + 1380601.

It is an arithmetic number, because the mean of its divisors is an integer number (10952720316).

Almost surely, 2^213629897131 is an apocalyptic number.

213629897131 is a deficient number, since it is larger than the sum of its proper divisors (49235390453).

213629897131 is a wasteful number, since it uses less digits than its factorization.

213629897131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2596771 (or 2596764 counting only the distinct ones).

The product of its digits is 979776, while the sum is 52.

The spelling of 213629897131 in words is "two hundred thirteen billion, six hundred twenty-nine million, eight hundred ninety-seven thousand, one hundred thirty-one".