10243660531 has 8 divisors (see below), whose sum is σ = 11171276480. Its totient is φ = 9335993472.

The previous prime is 10243660529. The next prime is 10243660543. The reversal of 10243660531 is 13506634201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10243660531 - 2¹ = 10243660529 is a prime.

It is a super-2 number, since 2×10243660531² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10243660493 and 10243660502.

It is not an unprimeable number, because it can be changed into a prime (10243660831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4986150 + ... + 4988203.

It is an arithmetic number, because the mean of its divisors is an integer number (1396409560).

Almost surely, 2^10243660531 is an apocalyptic number.

10243660531 is a deficient number, since it is larger than the sum of its proper divisors (927615949).

10243660531 is an equidigital number, since it uses as much as digits as its factorization.

10243660531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9974445.

The product of its (nonzero) digits is 12960, while the sum is 31.

The spelling of 10243660531 in words is "ten billion, two hundred forty-three million, six hundred sixty thousand, five hundred thirty-one".