10142311531 has 4 divisors (see below), whose sum is σ = 11064339864. Its totient is φ = 9220283200.

The previous prime is 10142311519. The next prime is 10142311547. The reversal of 10142311531 is 13511324101.

It is a happy number.

10142311531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 10142311531 - 2¹⁷ = 10142180459 is a prime.

It is a super-2 number, since 2×10142311531² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10142311591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 461014150 + ... + 461014171.

It is an arithmetic number, because the mean of its divisors is an integer number (2766084966).

Almost surely, 2^10142311531 is an apocalyptic number.

10142311531 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10142311531 is a deficient number, since it is larger than the sum of its proper divisors (922028333).

10142311531 is an equidigital number, since it uses as much as digits as its factorization.

10142311531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 922028332.

The product of its (nonzero) digits is 360, while the sum is 22.

Adding to 10142311531 its reverse (13511324101), we get a palindrome (23653635632).

The spelling of 10142311531 in words is "ten billion, one hundred forty-two million, three hundred eleven thousand, five hundred thirty-one".