115131421830 has 64 divisors (see below), whose sum is σ = 279936000000. Its totient is φ = 30299767680.

The previous prime is 115131421789. The next prime is 115131421831. The reversal of 115131421830 is 38124131511.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115131421831) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6131296 + ... + 6150044.

It is an arithmetic number, because the mean of its divisors is an integer number (4374000000).

Almost surely, 2^115131421830 is an apocalyptic number.

115131421830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115131421830 is an abundant number, since it is smaller than the sum of its proper divisors (164804578170).

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

115131421830 is a wasteful number, since it uses less digits than its factorization.

115131421830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21429.

The product of its (nonzero) digits is 2880, while the sum is 30.

The spelling of 115131421830 in words is "one hundred fifteen billion, one hundred thirty-one million, four hundred twenty-one thousand, eight hundred thirty".