2031123401321 has 8 divisors (see below), whose sum is σ = 2322232531200. Its totient is φ = 1740251432448.

The previous prime is 2031123401309. The next prime is 2031123401327. The reversal of 2031123401321 is 1231043211302.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2031123401321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2031123401327) 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, 59271896 + ... + 59306153.

It is an arithmetic number, because the mean of its divisors is an integer number (290279066400).

Almost surely, 2^{2031123401321} is an apocalyptic number.

It is an amenable number.

2031123401321 is a deficient number, since it is larger than the sum of its proper divisors (291109129879).

2031123401321 is a wasteful number, since it uses less digits than its factorization.

2031123401321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118580503.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 2031123401321 its reverse (1231043211302), we get a palindrome (3262166612623).

The spelling of 2031123401321 in words is "two trillion, thirty-one billion, one hundred twenty-three million, four hundred one thousand, three hundred twenty-one".