115031400 has 192 divisors, whose sum is σ = 403099200. Its totient is φ = 26880000.

The previous prime is 115031387. The next prime is 115031459. The reversal of 115031400 is 4130511.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 115031400.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 191100 + ... + 191700.

It is an arithmetic number, because the mean of its divisors is an integer number (2099475).

Almost surely, 2^115031400 is an apocalyptic number.

115031400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115031400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (201549600).

115031400 is an abundant number, since it is smaller than the sum of its proper divisors (288067800).

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

115031400 is a wasteful number, since it uses less digits than its factorization.

115031400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660 (or 651 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 115031400 is about 10725.2692273901. The cubic root of 115031400 is about 486.3386689211.

Adding to 115031400 its reverse (4130511), we get a palindrome (119161911).

The spelling of 115031400 in words is "one hundred fifteen million, thirty-one thousand, four hundred".