321552461131 has 8 divisors (see below), whose sum is σ = 350793528624. Its totient is φ = 292312897920.

The previous prime is 321552461123. The next prime is 321552461173. The reversal of 321552461131 is 131164255123.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 321552461131 - 2³ = 321552461123 is a prime.

It is a super-2 number, since 2×321552461131² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (321552461831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96735 + ... + 807751.

It is an arithmetic number, because the mean of its divisors is an integer number (43849191078).

Almost surely, 2^321552461131 is an apocalyptic number.

321552461131 is a deficient number, since it is larger than the sum of its proper divisors (29241067493).

321552461131 is a wasteful number, since it uses less digits than its factorization.

321552461131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 752141.

The product of its digits is 21600, while the sum is 34.

The spelling of 321552461131 in words is "three hundred twenty-one billion, five hundred fifty-two million, four hundred sixty-one thousand, one hundred thirty-one".