102202531530 has 32 divisors (see below), whose sum is σ = 267584810688. Its totient is φ = 24776371200.

The previous prime is 102202531513. The next prime is 102202531547. The reversal of 102202531530 is 35135202201.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (102202531513) and next prime (102202531547).

It is a super-2 number, since 2×102202531530² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 102202531530.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154851991 + ... + 154852650.

It is an arithmetic number, because the mean of its divisors is an integer number (8362025334).

Almost surely, 2^102202531530 is an apocalyptic number.

102202531530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102202531530 is an abundant number, since it is smaller than the sum of its proper divisors (165382279158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102202531530 is a wasteful number, since it uses less digits than its factorization.

102202531530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309704662.

The product of its (nonzero) digits is 1800, while the sum is 24.

Adding to 102202531530 its reverse (35135202201), we get a palindrome (137337733731).

The spelling of 102202531530 in words is "one hundred two billion, two hundred two million, five hundred thirty-one thousand, five hundred thirty".