13214001231 has 32 divisors (see below), whose sum is σ = 20944492800. Its totient is φ = 8208851040.

The previous prime is 13214001217. The next prime is 13214001259. The reversal of 13214001231 is 13210041231.

13214001231 is a `hidden beast` number, since 1 + 32 + 1 + 400 + 1 + 231 = 666.

It is not a de Polignac number, because 13214001231 - 2²⁷ = 13079783503 is a prime.

It is a super-2 number, since 2×13214001231² (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 (13214001211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 179841 + ... + 242426.

It is an arithmetic number, because the mean of its divisors is an integer number (654515400).

Almost surely, 2^13214001231 is an apocalyptic number.

13214001231 is a deficient number, since it is larger than the sum of its proper divisors (7730491569).

13214001231 is a wasteful number, since it uses less digits than its factorization.

13214001231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422356 (or 422350 counting only the distinct ones).

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

Adding to 13214001231 its reverse (13210041231), we get a palindrome (26424042462).

The spelling of 13214001231 in words is "thirteen billion, two hundred fourteen million, one thousand, two hundred thirty-one".