102330203131 has 4 divisors (see below), whose sum is σ = 110201757232. Its totient is φ = 94458649032.

The previous prime is 102330203123. The next prime is 102330203191. The reversal of 102330203131 is 131302033201.

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 102330203131 - 2³ = 102330203123 is a prime.

It is a super-2 number, since 2×102330203131² (a number of 23 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 = 102330203099 and 102330203108.

It is not an unprimeable number, because it can be changed into a prime (102330203191) 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, 3935777031 + ... + 3935777056.

It is an arithmetic number, because the mean of its divisors is an integer number (27550439308).

Almost surely, 2^102330203131 is an apocalyptic number.

102330203131 is a deficient number, since it is larger than the sum of its proper divisors (7871554101).

102330203131 is an equidigital number, since it uses as much as digits as its factorization.

102330203131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7871554100.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 102330203131 its reverse (131302033201), we get a palindrome (233632236332).

The spelling of 102330203131 in words is "one hundred two billion, three hundred thirty million, two hundred three thousand, one hundred thirty-one".