3122030331021 has 8 divisors (see below), whose sum is σ = 4757379552064. Its totient is φ = 1784017332000.

The previous prime is 3122030330971. The next prime is 3122030331053. The reversal of 3122030331021 is 1201330302213.

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

It is not a de Polignac number, because 3122030331021 - 2⁷ = 3122030330893 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 148668111001 = 3122030331021 / (3 + 1 + 2 + 2 + 0 + 3 + 0 + 3 + 3 + 1 + 0 + 2 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3122030331421) 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, 74334055480 + ... + 74334055521.

It is an arithmetic number, because the mean of its divisors is an integer number (594672444008).

Almost surely, 2^{3122030331021} is an apocalyptic number.

It is an amenable number.

3122030331021 is a deficient number, since it is larger than the sum of its proper divisors (1635349221043).

3122030331021 is a wasteful number, since it uses less digits than its factorization.

3122030331021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148668111011.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 3122030331021 its reverse (1201330302213), we get a palindrome (4323360633234).

The spelling of 3122030331021 in words is "three trillion, one hundred twenty-two billion, thirty million, three hundred thirty-one thousand, twenty-one".