102023031309 has 8 divisors (see below), whose sum is σ = 136114632672. Its totient is φ = 67973392080.

The previous prime is 102023031307. The next prime is 102023031343. The reversal of 102023031309 is 903130320201.

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

It is not a de Polignac number, because 102023031309 - 2¹ = 102023031307 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102023031307) 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, 10484859 + ... + 10494584.

It is an arithmetic number, because the mean of its divisors is an integer number (17014329084).

Almost surely, 2^102023031309 is an apocalyptic number.

It is an amenable number.

102023031309 is a deficient number, since it is larger than the sum of its proper divisors (34091601363).

102023031309 is a wasteful number, since it uses less digits than its factorization.

102023031309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20981067.

The product of its (nonzero) digits is 972, while the sum is 24.

The spelling of 102023031309 in words is "one hundred two billion, twenty-three million, thirty-one thousand, three hundred nine".