325156415265431 has 4 divisors (see below), whose sum is σ = 325157689409952. Its totient is φ = 325155141120912.

The previous prime is 325156415265349. The next prime is 325156415265449. The reversal of 325156415265431 is 134562514651523.

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

It is a cyclic number.

It is not a de Polignac number, because 325156415265431 - 2²⁶ = 325156348156567 is a prime.

It is a super-2 number, since 2×325156415265431² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325156415265131) 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, 636689390 + ... + 637199883.

It is an arithmetic number, because the mean of its divisors is an integer number (81289422352488).

Almost surely, 2^{325156415265431} is an apocalyptic number.

325156415265431 is a deficient number, since it is larger than the sum of its proper divisors (1274144521).

325156415265431 is a wasteful number, since it uses less digits than its factorization.

325156415265431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1274144520.

The product of its digits is 12960000, while the sum is 53.

The spelling of 325156415265431 in words is "three hundred twenty-five trillion, one hundred fifty-six billion, four hundred fifteen million, two hundred sixty-five thousand, four hundred thirty-one".