13210401231 has 12 divisors (see below), whose sum is σ = 19203232152. Its totient is φ = 8750838096.

The previous prime is 13210401223. The next prime is 13210401247.

13210401231 is a `hidden beast` number, since 1 + 32 + 1 + 0 + 401 + 231 = 666.

13210401231 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 13210401231 - 2³ = 13210401223 is a prime.

It is a super-2 number, since 2×13210401231² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13210401931) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4673181 + ... + 4676006.

It is an arithmetic number, because the mean of its divisors is an integer number (1600269346).

Almost surely, 2^13210401231 is an apocalyptic number.

13210401231 is a deficient number, since it is larger than the sum of its proper divisors (5992830921).

13210401231 is a wasteful number, since it uses less digits than its factorization.

13210401231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9349350 (or 9349347 counting only the distinct ones).

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

The spelling of 13210401231 in words is "thirteen billion, two hundred ten million, four hundred one thousand, two hundred thirty-one".