113417773531 has 4 divisors (see below), whose sum is σ = 113713903872. Its totient is φ = 113121643192.

The previous prime is 113417773487. The next prime is 113417773549. The reversal of 113417773531 is 135377714311.

It is a happy number.

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 113417773531 - 2¹³ = 113417765339 is a prime.

It is a super-2 number, since 2×113417773531² (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 (113417773571) 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, 148064596 + ... + 148065361.

It is an arithmetic number, because the mean of its divisors is an integer number (28428475968).

Almost surely, 2^113417773531 is an apocalyptic number.

113417773531 is a deficient number, since it is larger than the sum of its proper divisors (296130341).

113417773531 is an equidigital number, since it uses as much as digits as its factorization.

113417773531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296130340.

The product of its digits is 185220, while the sum is 43.

The spelling of 113417773531 in words is "one hundred thirteen billion, four hundred seventeen million, seven hundred seventy-three thousand, five hundred thirty-one".