321052142525231 has 32 divisors (see below), whose sum is σ = 382994602276608. Its totient is φ = 266330334965760.

The previous prime is 321052142525201. The next prime is 321052142525263. The reversal of 321052142525231 is 132525241250123.

It is a de Polignac number, because none of the positive numbers 2^k-321052142525231 is a prime.

It is a super-2 number, since 2×321052142525231² (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 (321052142525201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 376513580 + ... + 377365313.

It is an arithmetic number, because the mean of its divisors is an integer number (11968581321144).

Almost surely, 2^{321052142525231} is an apocalyptic number.

321052142525231 is a deficient number, since it is larger than the sum of its proper divisors (61942459751377).

321052142525231 is a wasteful number, since it uses less digits than its factorization.

321052142525231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 753879011.

The product of its (nonzero) digits is 144000, while the sum is 38.

Adding to 321052142525231 its reverse (132525241250123), we get a palindrome (453577383775354).

The spelling of 321052142525231 in words is "three hundred twenty-one trillion, fifty-two billion, one hundred forty-two million, five hundred twenty-five thousand, two hundred thirty-one".