113555002100431 has 4 divisors (see below), whose sum is σ = 113555204369352. Its totient is φ = 113554799831512.

The previous prime is 113555002100401. The next prime is 113555002100447. The reversal of 113555002100431 is 134001200555311.

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 113555002100431 - 2¹³ = 113555002092239 is a prime.

It is a super-2 number, since 2×113555002100431² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113555002100393 and 113555002100402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113555002100401) 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, 100290001 + ... + 101415946.

It is an arithmetic number, because the mean of its divisors is an integer number (28388801092338).

Almost surely, 2^{113555002100431} is an apocalyptic number.

113555002100431 is a deficient number, since it is larger than the sum of its proper divisors (202268921).

113555002100431 is an equidigital number, since it uses as much as digits as its factorization.

113555002100431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202268920.

The product of its (nonzero) digits is 9000, while the sum is 31.

Adding to 113555002100431 its reverse (134001200555311), we get a palindrome (247556202655742).

The spelling of 113555002100431 in words is "one hundred thirteen trillion, five hundred fifty-five billion, two million, one hundred thousand, four hundred thirty-one".