113430120388 has 24 divisors (see below), whose sum is σ = 214953229400. Its totient is φ = 52063119360.

The previous prime is 113430120347. The next prime is 113430120389. The reversal of 113430120388 is 883021034311.

It can be written as a sum of positive squares in 4 ways, for example, as 26400400324 + 87029720064 = 162482^2 + 295008^2 .

It is a super-2 number, since 2×113430120388² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (113430120389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6016413 + ... + 6035236.

Almost surely, 2^113430120388 is an apocalyptic number.

It is an amenable number.

113430120388 is a deficient number, since it is larger than the sum of its proper divisors (101523109012).

113430120388 is a wasteful number, since it uses less digits than its factorization.

113430120388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12051847 (or 12051845 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

Adding to 113430120388 its reverse (883021034311), we get a palindrome (996451154699).

The spelling of 113430120388 in words is "one hundred thirteen billion, four hundred thirty million, one hundred twenty thousand, three hundred eighty-eight".