115210331530 has 32 divisors (see below), whose sum is σ = 237015849600. Its totient is φ = 39498728640.

The previous prime is 115210331519. The next prime is 115210331609. The reversal of 115210331530 is 35133012511.

It is a junction number, because it is equal to n+sod(n) for n = 115210331495 and 115210331504.

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, 2555121 + ... + 2599819.

It is an arithmetic number, because the mean of its divisors is an integer number (7406745300).

Almost surely, 2^115210331530 is an apocalyptic number.

115210331530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115210331530 is an abundant number, since it is smaller than the sum of its proper divisors (121805518070).

115210331530 is a wasteful number, since it uses less digits than its factorization.

115210331530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81534.

The product of its (nonzero) digits is 1350, while the sum is 25.

The spelling of 115210331530 in words is "one hundred fifteen billion, two hundred ten million, three hundred thirty-one thousand, five hundred thirty".