102402210131 has 24 divisors (see below), whose sum is σ = 114092268192. Its totient is φ = 91362902400.

The previous prime is 102402210103. The next prime is 102402210149. The reversal of 102402210131 is 131012204201.

It is a de Polignac number, because none of the positive numbers 2^k-102402210131 is a prime.

It is a super-2 number, since 2×102402210131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102402210151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11076671 + ... + 11085911.

It is an arithmetic number, because the mean of its divisors is an integer number (4753844508).

Almost surely, 2^102402210131 is an apocalyptic number.

102402210131 is a deficient number, since it is larger than the sum of its proper divisors (11690058061).

102402210131 is an equidigital number, since it uses as much as digits as its factorization.

102402210131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10203 (or 10172 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 102402210131 its reverse (131012204201), we get a palindrome (233414414332).

The spelling of 102402210131 in words is "one hundred two billion, four hundred two million, two hundred ten thousand, one hundred thirty-one".