20313020031001 has 4 divisors (see below), whose sum is σ = 20313755211904. Its totient is φ = 20312284850100.

The previous prime is 20313020030951. The next prime is 20313020031019. The reversal of 20313020031001 is 10013002031302.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20313020031001 - 2⁹ = 20313020030489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20313020031091) 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, 367549005 + ... + 367604266.

It is an arithmetic number, because the mean of its divisors is an integer number (5078438802976).

Almost surely, 2^{20313020031001} is an apocalyptic number.

It is an amenable number.

20313020031001 is a deficient number, since it is larger than the sum of its proper divisors (735180903).

20313020031001 is an equidigital number, since it uses as much as digits as its factorization.

20313020031001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 735180902.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 20313020031001 its reverse (10013002031302), we get a palindrome (30326022062303).

The spelling of 20313020031001 in words is "twenty trillion, three hundred thirteen billion, twenty million, thirty-one thousand, one".