3122402145321 has 8 divisors (see below), whose sum is σ = 4163465139904. Its totient is φ = 2081470290480.

The previous prime is 3122402145307. The next prime is 3122402145329. The reversal of 3122402145321 is 1235412042213.

It is a happy number.

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

It is not a de Polignac number, because 3122402145321 - 2²² = 3122397951017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3122402145329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32729365 + ... + 32824626.

It is an arithmetic number, because the mean of its divisors is an integer number (520433142488).

Almost surely, 2^{3122402145321} is an apocalyptic number.

It is an amenable number.

3122402145321 is a deficient number, since it is larger than the sum of its proper divisors (1041062994583).

3122402145321 is a wasteful number, since it uses less digits than its factorization.

3122402145321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65569871.

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 3122402145321 its reverse (1235412042213), we get a palindrome (4357814187534).

The spelling of 3122402145321 in words is "three trillion, one hundred twenty-two billion, four hundred two million, one hundred forty-five thousand, three hundred twenty-one".