113425521031 has 16 divisors (see below), whose sum is σ = 116956621440. Its totient is φ = 109953492480.

The previous prime is 113425521019. The next prime is 113425521047. The reversal of 113425521031 is 130125524311.

It is a cyclic number.

It is not a de Polignac number, because 113425521031 - 2⁹ = 113425520519 is a prime.

It is a super-2 number, since 2×113425521031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113425521331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2663055 + ... + 2705311.

It is an arithmetic number, because the mean of its divisors is an integer number (7309788840).

Almost surely, 2^113425521031 is an apocalyptic number.

113425521031 is a deficient number, since it is larger than the sum of its proper divisors (3531100409).

113425521031 is an equidigital number, since it uses as much as digits as its factorization.

113425521031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42954.

The product of its (nonzero) digits is 3600, while the sum is 28.

The spelling of 113425521031 in words is "one hundred thirteen billion, four hundred twenty-five million, five hundred twenty-one thousand, thirty-one".