102303202131 has 24 divisors (see below), whose sum is σ = 159164925920. Its totient is φ = 62945289216.

The previous prime is 102303202117. The next prime is 102303202147. The reversal of 102303202131 is 131202303201.

102303202131 is a `hidden beast` number, since 102 + 30 + 320 + 213 + 1 = 666.

It is not a de Polignac number, because 102303202131 - 2²¹ = 102301104979 is a prime.

It is a super-2 number, since 2×102303202131² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (102303202181) 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, 660915 + ... + 800883.

Almost surely, 2^102303202131 is an apocalyptic number.

102303202131 is a deficient number, since it is larger than the sum of its proper divisors (56861723789).

102303202131 is a wasteful number, since it uses less digits than its factorization.

102303202131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146235 (or 146232 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 102303202131 its reverse (131202303201), we get a palindrome (233505505332).

The spelling of 102303202131 in words is "one hundred two billion, three hundred three million, two hundred two thousand, one hundred thirty-one".