10309431293 has 16 divisors (see below), whose sum is σ = 12655440000. Its totient is φ = 8371562976.

The previous prime is 10309431281. The next prime is 10309431313. The reversal of 10309431293 is 39213490301.

It is a de Polignac number, because none of the positive numbers 2^k-10309431293 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10309431233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 784448 + ... + 797481.

It is an arithmetic number, because the mean of its divisors is an integer number (790965000).

Almost surely, 2^10309431293 is an apocalyptic number.

It is an amenable number.

10309431293 is a deficient number, since it is larger than the sum of its proper divisors (2346008707).

10309431293 is an equidigital number, since it uses as much as digits as its factorization.

10309431293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1581969 (or 1581955 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 35.

The spelling of 10309431293 in words is "ten billion, three hundred nine million, four hundred thirty-one thousand, two hundred ninety-three".