113210420331 has 4 divisors (see below), whose sum is σ = 150947227112. Its totient is φ = 75473613552.

The previous prime is 113210420329. The next prime is 113210420353. The reversal of 113210420331 is 133024012311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 133024012311 = 3 ⋅44341337437.

It is not a de Polignac number, because 113210420331 - 2¹ = 113210420329 is a prime.

It is a super-2 number, since 2×113210420331² (a number of 23 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 = 113210420298 and 113210420307.

It is not an unprimeable number, because it can be changed into a prime (113210420431) 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, 18868403386 + ... + 18868403391.

It is an arithmetic number, because the mean of its divisors is an integer number (37736806778).

Almost surely, 2^113210420331 is an apocalyptic number.

113210420331 is a deficient number, since it is larger than the sum of its proper divisors (37736806781).

113210420331 is an equidigital number, since it uses as much as digits as its factorization.

113210420331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37736806780.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 113210420331 its reverse (133024012311), we get a palindrome (246234432642).

The spelling of 113210420331 in words is "one hundred thirteen billion, two hundred ten million, four hundred twenty thousand, three hundred thirty-one".