113431300000 has 72 divisors (see below), whose sum is σ = 279129720492. Its totient is φ = 45372480000.

The previous prime is 113431299937. The next prime is 113431300009. The reversal of 113431300000 is 3134311.

It can be written as a sum of positive squares in 6 ways, for example, as 43119353104 + 70311946896 = 207652^2 + 265164^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (113431300009) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 467157 + ... + 667156.

Almost surely, 2^113431300000 is an apocalyptic number.

113431300000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113431300000 is an abundant number, since it is smaller than the sum of its proper divisors (165698420492).

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

113431300000 is an frugal number, since it uses more digits than its factorization.

113431300000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1134348 (or 1134320 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 113431300000 its reverse (3134311), we get a palindrome (113434434311).

The spelling of 113431300000 in words is "one hundred thirteen billion, four hundred thirty-one million, three hundred thousand".