113431001535 has 144 divisors (see below), whose sum is σ = 217763774592. Its totient is φ = 56631052800.

The previous prime is 113431001527. The next prime is 113431001543. The reversal of 113431001535 is 535100134311.

It is a happy number.

113431001535 is a `hidden beast` number, since 113 + 4 + 3 + 10 + 0 + 1 + 535 = 666.

It is an interprime number because it is at equal distance from previous prime (113431001527) and next prime (113431001543).

It is not a de Polignac number, because 113431001535 - 2³ = 113431001527 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 113431001499 and 113431001508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 74088720 + ... + 74090250.

Almost surely, 2^113431001535 is an apocalyptic number.

113431001535 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

113431001535 is a deficient number, since it is larger than the sum of its proper divisors (104332773057).

113431001535 is a wasteful number, since it uses less digits than its factorization.

113431001535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1796 (or 1767 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

Adding to 113431001535 its reverse (535100134311), we get a palindrome (648531135846).

The spelling of 113431001535 in words is "one hundred thirteen billion, four hundred thirty-one million, one thousand, five hundred thirty-five".