10140031142 has 4 divisors (see below), whose sum is σ = 15210046716. Its totient is φ = 5070015570.

The previous prime is 10140031141. The next prime is 10140031171. The reversal of 10140031142 is 24113004101.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 10140031142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10140031141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2535007784 + ... + 2535007787.

It is an arithmetic number, because the mean of its divisors is an integer number (3802511679).

Almost surely, 2^10140031142 is an apocalyptic number.

10140031142 is a deficient number, since it is larger than the sum of its proper divisors (5070015574).

10140031142 is an equidigital number, since it uses as much as digits as its factorization.

10140031142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5070015573.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 10140031142 its reverse (24113004101), we get a palindrome (34253035243).

The spelling of 10140031142 in words is "ten billion, one hundred forty million, thirty-one thousand, one hundred forty-two".