210320120031013 has 4 divisors (see below), whose sum is σ = 210320169806560. Its totient is φ = 210320070255468.

The previous prime is 210320120030957. The next prime is 210320120031101. The reversal of 210320120031013 is 310130021023012.

210320120031013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 210320120031013 - 2²⁵ = 210320086476581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210320120031613) 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, 17894745 + ... + 27218782.

It is an arithmetic number, because the mean of its divisors is an integer number (52580042451640).

Almost surely, 2^{210320120031013} is an apocalyptic number.

It is an amenable number.

210320120031013 is a deficient number, since it is larger than the sum of its proper divisors (49775547).

210320120031013 is an equidigital number, since it uses as much as digits as its factorization.

210320120031013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49775546.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 210320120031013 its reverse (310130021023012), we get a palindrome (520450141054025).

The spelling of 210320120031013 in words is "two hundred ten trillion, three hundred twenty billion, one hundred twenty million, thirty-one thousand, thirteen".