113531451 has 8 divisors (see below), whose sum is σ = 165136704. Its totient is φ = 68806920.

The previous prime is 113531449. The next prime is 113531471. The reversal of 113531451 is 154135311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 113531451 - 2¹ = 113531449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (113531401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1720141 + ... + 1720206.

It is an arithmetic number, because the mean of its divisors is an integer number (20642088).

Almost surely, 2^113531451 is an apocalyptic number.

113531451 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

113531451 is a deficient number, since it is larger than the sum of its proper divisors (51605253).

113531451 is a wasteful number, since it uses less digits than its factorization.

113531451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3440361.

The product of its digits is 900, while the sum is 24.

The square root of 113531451 is about 10655.1138426579. The cubic root of 113531451 is about 484.2155469932.

Adding to 113531451 its reverse (154135311), we get a palindrome (267666762).

The spelling of 113531451 in words is "one hundred thirteen million, five hundred thirty-one thousand, four hundred fifty-one".