10140031091 has 16 divisors (see below), whose sum is σ = 10718797824. Its totient is φ = 9573298944.

The previous prime is 10140031063. The next prime is 10140031129. The reversal of 10140031091 is 19013004101.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10140031091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10140031001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 848540 + ... + 860406.

It is an arithmetic number, because the mean of its divisors is an integer number (669924864).

Almost surely, 2^10140031091 is an apocalyptic number.

10140031091 is a deficient number, since it is larger than the sum of its proper divisors (578766733).

10140031091 is a wasteful number, since it uses less digits than its factorization.

10140031091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12370.

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 10140031091 its reverse (19013004101), we get a palindrome (29153035192).

The spelling of 10140031091 in words is "ten billion, one hundred forty million, thirty-one thousand, ninety-one".