321274103272 has 8 divisors (see below), whose sum is σ = 602388943650. Its totient is φ = 160637051632.

The previous prime is 321274103221. The next prime is 321274103287. The reversal of 321274103272 is 272301472123.

It can be written as a sum of positive squares in only one way, i.e., 295116216516 + 26157886756 = 543246^2 + 161734^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×321274103272² (a number of 24 digits) contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20079631447 + ... + 20079631462.

Almost surely, 2^321274103272 is an apocalyptic number.

It is an amenable number.

321274103272 is a deficient number, since it is larger than the sum of its proper divisors (281114840378).

321274103272 is a wasteful number, since it uses less digits than its factorization.

321274103272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40159262915 (or 40159262911 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 34.

Adding to 321274103272 its reverse (272301472123), we get a palindrome (593575575395).

The spelling of 321274103272 in words is "three hundred twenty-one billion, two hundred seventy-four million, one hundred three thousand, two hundred seventy-two".