10140230031 has 4 divisors (see below), whose sum is σ = 13520306712. Its totient is φ = 6760153352.

The previous prime is 10140230021. The next prime is 10140230047. The reversal of 10140230031 is 13003204101.

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 10140230031 - 2²² = 10136035727 is a prime.

It is a super-2 number, since 2×10140230031² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10140230021) 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, 1690038336 + ... + 1690038341.

It is an arithmetic number, because the mean of its divisors is an integer number (3380076678).

Almost surely, 2^10140230031 is an apocalyptic number.

10140230031 is a deficient number, since it is larger than the sum of its proper divisors (3380076681).

10140230031 is an equidigital number, since it uses as much as digits as its factorization.

10140230031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3380076680.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 10140230031 its reverse (13003204101), we get a palindrome (23143434132).

The spelling of 10140230031 in words is "ten billion, one hundred forty million, two hundred thirty thousand, thirty-one".