115431101 has 4 divisors (see below), whose sum is σ = 115529052. Its totient is φ = 115333152.

The previous prime is 115431053. The next prime is 115431103. The reversal of 115431101 is 101134511.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 97495876 + 17935225 = 9874^2 + 4235^2 .

It is a cyclic number.

It is not a de Polignac number, because 115431101 - 2²⁶ = 48322237 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 115431101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115431103) 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, 47186 + ... + 49571.

It is an arithmetic number, because the mean of its divisors is an integer number (28882263).

Almost surely, 2^115431101 is an apocalyptic number.

It is an amenable number.

115431101 is a deficient number, since it is larger than the sum of its proper divisors (97951).

115431101 is an equidigital number, since it uses as much as digits as its factorization.

115431101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97950.

The product of its (nonzero) digits is 60, while the sum is 17.

The square root of 115431101 is about 10743.8866803406. The cubic root of 115431101 is about 486.9013133704.

Adding to 115431101 its reverse (101134511), we get a palindrome (216565612).

The spelling of 115431101 in words is "one hundred fifteen million, four hundred thirty-one thousand, one hundred one".