2031413121321 has 16 divisors (see below), whose sum is σ = 2787329640000. Its totient is φ = 1315032712128.

The previous prime is 2031413121281. The next prime is 2031413121341. The reversal of 2031413121321 is 1231213141302.

It is not a de Polignac number, because 2031413121321 - 2⁹ = 2031413120809 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2031413121291 and 2031413121300.

It is not an unprimeable number, because it can be changed into a prime (2031413121341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18282306 + ... + 18393083.

It is an arithmetic number, because the mean of its divisors is an integer number (174208102500).

Almost surely, 2^{2031413121321} is an apocalyptic number.

It is an amenable number.

2031413121321 is a deficient number, since it is larger than the sum of its proper divisors (755916518679).

2031413121321 is a wasteful number, since it uses less digits than its factorization.

2031413121321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36675928.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 2031413121321 its reverse (1231213141302), we get a palindrome (3262626262623).

The spelling of 2031413121321 in words is "two trillion, thirty-one billion, four hundred thirteen million, one hundred twenty-one thousand, three hundred twenty-one".