113431107577 has 4 divisors (see below), whose sum is σ = 113509935360. Its totient is φ = 113352279796.

The previous prime is 113431107557. The next prime is 113431107583. The reversal of 113431107577 is 775701134311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113431107577 is a prime.

It is a super-2 number, since 2×113431107577² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113431107557) 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, 39411733 + ... + 39414610.

It is an arithmetic number, because the mean of its divisors is an integer number (28377483840).

Almost surely, 2^113431107577 is an apocalyptic number.

It is an amenable number.

113431107577 is a deficient number, since it is larger than the sum of its proper divisors (78827783).

113431107577 is an equidigital number, since it uses as much as digits as its factorization.

113431107577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78827782.

The product of its (nonzero) digits is 61740, while the sum is 40.

The spelling of 113431107577 in words is "one hundred thirteen billion, four hundred thirty-one million, one hundred seven thousand, five hundred seventy-seven".