113233120131 has 4 divisors (see below), whose sum is σ = 150977493512. Its totient is φ = 75488746752.

The previous prime is 113233120111. The next prime is 113233120139. The reversal of 113233120131 is 131021332311.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131021332311 = 3 ⋅43673777437.

It is not a de Polignac number, because 113233120131 - 2¹⁷ = 113232989059 is a prime.

It is a super-2 number, since 2×113233120131² (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 = 113233120098 and 113233120107.

It is not an unprimeable number, because it can be changed into a prime (113233120139) 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, 18872186686 + ... + 18872186691.

It is an arithmetic number, because the mean of its divisors is an integer number (37744373378).

Almost surely, 2^113233120131 is an apocalyptic number.

113233120131 is a deficient number, since it is larger than the sum of its proper divisors (37744373381).

113233120131 is an equidigital number, since it uses as much as digits as its factorization.

113233120131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37744373380.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 113233120131 its reverse (131021332311), we get a palindrome (244254452442).

The spelling of 113233120131 in words is "one hundred thirteen billion, two hundred thirty-three million, one hundred twenty thousand, one hundred thirty-one".