431230132426265 has 4 divisors (see below), whose sum is σ = 517476158911524. Its totient is φ = 344984105941008.

The previous prime is 431230132426253. The next prime is 431230132426279. The reversal of 431230132426265 is 562624231032134.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 343103455394704 + 88126677031561 = 18523052^2 + 9387581^2 .

It is a cyclic number.

It is not a de Polignac number, because 431230132426265 - 2²⁴ = 431230115649049 is a prime.

It is a super-2 number, since 2×431230132426265² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43123013242622 + ... + 43123013242631.

It is an arithmetic number, because the mean of its divisors is an integer number (129369039727881).

Almost surely, 2^{431230132426265} is an apocalyptic number.

It is an amenable number.

431230132426265 is a deficient number, since it is larger than the sum of its proper divisors (86246026485259).

431230132426265 is an equidigital number, since it uses as much as digits as its factorization.

431230132426265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86246026485258.

The product of its (nonzero) digits is 1244160, while the sum is 44.

Adding to 431230132426265 its reverse (562624231032134), we get a palindrome (993854363458399).

The spelling of 431230132426265 in words is "four hundred thirty-one trillion, two hundred thirty billion, one hundred thirty-two million, four hundred twenty-six thousand, two hundred sixty-five".