431522223013 has 4 divisors (see below), whose sum is σ = 493168254880. Its totient is φ = 369876191148.

The previous prime is 431522222981. The next prime is 431522223073. The reversal of 431522223013 is 310322225134.

It is a happy number.

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 not a de Polignac number, because 431522223013 - 2⁵ = 431522222981 is a prime.

It is a super-2 number, since 2×431522223013² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431522223073) 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, 30823015923 + ... + 30823015936.

It is an arithmetic number, because the mean of its divisors is an integer number (123292063720).

Almost surely, 2^431522223013 is an apocalyptic number.

It is an amenable number.

431522223013 is a deficient number, since it is larger than the sum of its proper divisors (61646031867).

431522223013 is an equidigital number, since it uses as much as digits as its factorization.

431522223013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61646031866.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 431522223013 its reverse (310322225134), we get a palindrome (741844448147).

The spelling of 431522223013 in words is "four hundred thirty-one billion, five hundred twenty-two million, two hundred twenty-three thousand, thirteen".