10304213131 has 4 divisors (see below), whose sum is σ = 10304434552. Its totient is φ = 10303991712.

The previous prime is 10304213123. The next prime is 10304213177. The reversal of 10304213131 is 13131240301.

10304213131 is digitally balanced in base 3, 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 an emirpimes, since its reverse is a distinct semiprime: 13131240301 = 6211 ⋅2114191.

It is a cyclic number.

It is not a de Polignac number, because 10304213131 - 2³ = 10304213123 is a prime.

It is a super-2 number, since 2×10304213131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10304213099 and 10304213108.

It is not an unprimeable number, because it can be changed into a prime (10304253131) 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, 10926 + ... + 143971.

It is an arithmetic number, because the mean of its divisors is an integer number (2576108638).

Almost surely, 2^10304213131 is an apocalyptic number.

10304213131 is a deficient number, since it is larger than the sum of its proper divisors (221421).

10304213131 is an equidigital number, since it uses as much as digits as its factorization.

10304213131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221420.

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

Adding to 10304213131 its reverse (13131240301), we get a palindrome (23435453432).

The spelling of 10304213131 in words is "ten billion, three hundred four million, two hundred thirteen thousand, one hundred thirty-one".