10242343531 has 24 divisors (see below), whose sum is σ = 12144181056. Its totient is φ = 8610779520.

The previous prime is 10242343519. The next prime is 10242343571. The reversal of 10242343531 is 13534324201.

It is a happy number.

It is not a de Polignac number, because 10242343531 - 2¹⁹ = 10241819243 is a prime.

It is a super-2 number, since 2×10242343531² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10242343531.

It is not an unprimeable number, because it can be changed into a prime (10242343571) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1092295 + ... + 1101631.

It is an arithmetic number, because the mean of its divisors is an integer number (506007544).

Almost surely, 2^10242343531 is an apocalyptic number.

10242343531 is a deficient number, since it is larger than the sum of its proper divisors (1901837525).

10242343531 is an equidigital number, since it uses as much as digits as its factorization.

10242343531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9779 (or 9772 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 10242343531 its reverse (13534324201), we get a palindrome (23776667732).

The spelling of 10242343531 in words is "ten billion, two hundred forty-two million, three hundred forty-three thousand, five hundred thirty-one".