10909430531 has 4 divisors (see below), whose sum is σ = 10910168064. Its totient is φ = 10908693000.

The previous prime is 10909430527. The next prime is 10909430537. The reversal of 10909430531 is 13503490901.

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 10909430531 - 2² = 10909430527 is a prime.

It is a super-2 number, since 2×10909430531² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10909430491 and 10909430500.

It is not an unprimeable number, because it can be changed into a prime (10909430537) 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, 346115 + ... + 376316.

It is an arithmetic number, because the mean of its divisors is an integer number (2727542016).

Almost surely, 2^10909430531 is an apocalyptic number.

10909430531 is a deficient number, since it is larger than the sum of its proper divisors (737533).

10909430531 is an equidigital number, since it uses as much as digits as its factorization.

10909430531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 737532.

The product of its (nonzero) digits is 14580, while the sum is 35.

The spelling of 10909430531 in words is "ten billion, nine hundred nine million, four hundred thirty thousand, five hundred thirty-one".