113213130031 has 4 divisors (see below), whose sum is σ = 113223832200. Its totient is φ = 113202427864.

The previous prime is 113213130007. The next prime is 113213130089. The reversal of 113213130031 is 130031312311.

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

It is a cyclic number.

It is not a de Polignac number, because 113213130031 - 2¹⁷ = 113212998959 is a prime.

It is a super-2 number, since 2×113213130031² (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 = 113213129990 and 113213130008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113213130001) 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, 5335201 + ... + 5356378.

It is an arithmetic number, because the mean of its divisors is an integer number (28305958050).

Almost surely, 2^113213130031 is an apocalyptic number.

113213130031 is a deficient number, since it is larger than the sum of its proper divisors (10702169).

113213130031 is a wasteful number, since it uses less digits than its factorization.

113213130031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10702168.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 113213130031 its reverse (130031312311), we get a palindrome (243244442342).

The spelling of 113213130031 in words is "one hundred thirteen billion, two hundred thirteen million, one hundred thirty thousand, thirty-one".