3121312002022 has 8 divisors (see below), whose sum is σ = 4708124249400. Its totient is φ = 1551937252224.

The previous prime is 3121312002013. The next prime is 3121312002023. The reversal of 3121312002022 is 2202002131213.

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

It is a super-2 number, since 2×3121312002022² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3121312002023) 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, 4359373947 + ... + 4359374662.

It is an arithmetic number, because the mean of its divisors is an integer number (588515531175).

Almost surely, 2^{3121312002022} is an apocalyptic number.

3121312002022 is a deficient number, since it is larger than the sum of its proper divisors (1586812247378).

3121312002022 is a wasteful number, since it uses less digits than its factorization.

3121312002022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8718748790.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 3121312002022 its reverse (2202002131213), we get a palindrome (5323314133235).

The spelling of 3121312002022 in words is "three trillion, one hundred twenty-one billion, three hundred twelve million, two thousand, twenty-two".