2031012122321 has 72 divisors (see below), whose sum is σ = 2808741412224. Its totient is φ = 1432821312000.

The previous prime is 2031012122303. The next prime is 2031012122371. The reversal of 2031012122321 is 1232212101302.

It is not a de Polignac number, because 2031012122321 - 2⁶ = 2031012122257 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2031012122293 and 2031012122302.

It is not an unprimeable number, because it can be changed into a prime (2031012122371) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 7120196 + ... + 7399946.

It is an arithmetic number, because the mean of its divisors is an integer number (39010297392).

Almost surely, 2^{2031012122321} is an apocalyptic number.

It is an amenable number.

2031012122321 is a deficient number, since it is larger than the sum of its proper divisors (777729289903).

2031012122321 is a wasteful number, since it uses less digits than its factorization.

2031012122321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279839 (or 279807 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 2031012122321 its reverse (1232212101302), we get a palindrome (3263224223623).

The spelling of 2031012122321 in words is "two trillion, thirty-one billion, twelve million, one hundred twenty-two thousand, three hundred twenty-one".