321142162522 has 8 divisors (see below), whose sum is σ = 494732520756. Its totient is φ = 156231322272.

The previous prime is 321142162483. The next prime is 321142162529. The reversal of 321142162522 is 225261241123.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 238191826401 + 82950336121 = 488049^2 + 288011^2 .

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

It is a super-2 number, since 2×321142162522² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (321142162529) 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, 2169879403 + ... + 2169879550.

Almost surely, 2^321142162522 is an apocalyptic number.

321142162522 is a deficient number, since it is larger than the sum of its proper divisors (173590358234).

321142162522 is a wasteful number, since it uses less digits than its factorization.

321142162522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4339758992.

The product of its digits is 11520, while the sum is 31.

The spelling of 321142162522 in words is "three hundred twenty-one billion, one hundred forty-two million, one hundred sixty-two thousand, five hundred twenty-two".