31203400430213 has 8 divisors (see below), whose sum is σ = 34211128843200. Its totient is φ = 28224181291680.

The previous prime is 31203400430207. The next prime is 31203400430233.

31203400430213 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 31203400430213 - 2¹⁸ = 31203400168069 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 (31203400430233) 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, 7127316320 + ... + 7127320697.

It is an arithmetic number, because the mean of its divisors is an integer number (4276391105400).

Almost surely, 2^{31203400430213} is an apocalyptic number.

It is an amenable number.

31203400430213 is a deficient number, since it is larger than the sum of its proper divisors (3007728412987).

31203400430213 is a wasteful number, since it uses less digits than its factorization.

31203400430213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14254637227.

The product of its (nonzero) digits is 5184, while the sum is 26.

It can be divided in two parts, 31203400 and 430213, that added together give a palindrome (31633613).

The spelling of 31203400430213 in words is "thirty-one trillion, two hundred three billion, four hundred million, four hundred thirty thousand, two hundred thirteen".