232031440213 has 4 divisors (see below), whose sum is σ = 232051539328. Its totient is φ = 232011341100.

The previous prime is 232031440183. The next prime is 232031440217. The reversal of 232031440213 is 312044130232.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-232031440213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232031440217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10032231 + ... + 10055332.

It is an arithmetic number, because the mean of its divisors is an integer number (58012884832).

Almost surely, 2^232031440213 is an apocalyptic number.

It is an amenable number.

232031440213 is a deficient number, since it is larger than the sum of its proper divisors (20099115).

232031440213 is a wasteful number, since it uses less digits than its factorization.

232031440213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20099114.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 232031440213 its reverse (312044130232), we get a palindrome (544075570445).

The spelling of 232031440213 in words is "two hundred thirty-two billion, thirty-one million, four hundred forty thousand, two hundred thirteen".