113203310331 has 4 divisors (see below), whose sum is σ = 150937747112. Its totient is φ = 75468873552.

The previous prime is 113203310329. The next prime is 113203310333. The reversal of 113203310331 is 133013302311.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (113203310329) and next prime (113203310333).

It is not a de Polignac number, because 113203310331 - 2¹ = 113203310329 is a prime.

It is a super-2 number, since 2×113203310331² (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 = 113203310298 and 113203310307.

It is not an unprimeable number, because it can be changed into a prime (113203310333) 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, 18867218386 + ... + 18867218391.

It is an arithmetic number, because the mean of its divisors is an integer number (37734436778).

Almost surely, 2^113203310331 is an apocalyptic number.

113203310331 is a deficient number, since it is larger than the sum of its proper divisors (37734436781).

113203310331 is an equidigital number, since it uses as much as digits as its factorization.

113203310331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37734436780.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 113203310331 its reverse (133013302311), we get a palindrome (246216612642).

The spelling of 113203310331 in words is "one hundred thirteen billion, two hundred three million, three hundred ten thousand, three hundred thirty-one".