10115431090 has 32 divisors (see below), whose sum is σ = 19174273920. Its totient is φ = 3831577344.

The previous prime is 10115431087. The next prime is 10115431091. The reversal of 10115431090 is 9013451101.

It is a super-2 number, since 2×10115431090² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10115431091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 492874 + ... + 512986.

It is an arithmetic number, because the mean of its divisors is an integer number (599196060).

Almost surely, 2^10115431090 is an apocalyptic number.

10115431090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10115431090 is a deficient number, since it is larger than the sum of its proper divisors (9058842830).

10115431090 is a wasteful number, since it uses less digits than its factorization.

10115431090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22786.

The product of its (nonzero) digits is 540, while the sum is 25.

Adding to 10115431090 its reverse (9013451101), we get a palindrome (19128882191).

The spelling of 10115431090 in words is "ten billion, one hundred fifteen million, four hundred thirty-one thousand, ninety".