115437431 has 4 divisors (see below), whose sum is σ = 116496600. Its totient is φ = 114378264.

The previous prime is 115437389. The next prime is 115437457. The reversal of 115437431 is 134734511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 134734511 = 1447 ⋅93113.

It is a cyclic number.

It is not a de Polignac number, because 115437431 - 2¹⁸ = 115175287 is a prime.

It is a super-2 number, since 2×115437431² = 26651600951759522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 115437394 and 115437403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115437131) 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, 529421 + ... + 529638.

It is an arithmetic number, because the mean of its divisors is an integer number (29124150).

Almost surely, 2^115437431 is an apocalyptic number.

115437431 is a deficient number, since it is larger than the sum of its proper divisors (1059169).

115437431 is a wasteful number, since it uses less digits than its factorization.

115437431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1059168.

The product of its digits is 5040, while the sum is 29.

The square root of 115437431 is about 10744.1812624322. The cubic root of 115437431 is about 486.9102134240.

The spelling of 115437431 in words is "one hundred fifteen million, four hundred thirty-seven thousand, four hundred thirty-one".