31030230323309 has 24 divisors (see below), whose sum is σ = 37946873714880. Its totient is φ = 24850069526016.

The previous prime is 31030230323221. The next prime is 31030230323317. The reversal of 31030230323309 is 90332303203013.

It is not a de Polignac number, because 31030230323309 - 2¹² = 31030230319213 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31030230323329) 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, 55703579 + ... + 56257880.

It is an arithmetic number, because the mean of its divisors is an integer number (1581119738120).

Almost surely, 2^{31030230323309} is an apocalyptic number.

It is an amenable number.

31030230323309 is a deficient number, since it is larger than the sum of its proper divisors (6916643391571).

31030230323309 is a wasteful number, since it uses less digits than its factorization.

31030230323309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111961637 (or 111961620 counting only the distinct ones).

The product of its (nonzero) digits is 26244, while the sum is 32.

The spelling of 31030230323309 in words is "thirty-one trillion, thirty billion, two hundred thirty million, three hundred twenty-three thousand, three hundred nine".