113431224540 has 24 divisors (see below), whose sum is σ = 317607428880. Its totient is φ = 30248326528.

The previous prime is 113431224521. The next prime is 113431224559. The reversal of 113431224540 is 45422134311.

It is an interprime number because it is at equal distance from previous prime (113431224521) and next prime (113431224559).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 113431224498 and 113431224507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 945260145 + ... + 945260264.

It is an arithmetic number, because the mean of its divisors is an integer number (13233642870).

Almost surely, 2^113431224540 is an apocalyptic number.

113431224540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113431224540 is an abundant number, since it is smaller than the sum of its proper divisors (204176204340).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

113431224540 is a wasteful number, since it uses less digits than its factorization.

113431224540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1890520421 (or 1890520419 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 113431224540 its reverse (45422134311), we get a palindrome (158853358851).

The spelling of 113431224540 in words is "one hundred thirteen billion, four hundred thirty-one million, two hundred twenty-four thousand, five hundred forty".