113131231130 has 16 divisors (see below), whose sum is σ = 204933264840. Its totient is φ = 44964259392.

The previous prime is 113131231121. The next prime is 113131231133. The reversal of 113131231130 is 31132131311.

It can be written as a sum of positive squares in 4 ways, for example, as 68543952481 + 44587278649 = 261809^2 + 211157^2 .

It is not an unprimeable number, because it can be changed into a prime (113131231133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36027485 + ... + 36030624.

Almost surely, 2^113131231130 is an apocalyptic number.

113131231130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

113131231130 is a deficient number, since it is larger than the sum of its proper divisors (91802033710).

113131231130 is a wasteful number, since it uses less digits than its factorization.

113131231130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72058273.

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 113131231130 its reverse (31132131311), we get a palindrome (144263362441).

The spelling of 113131231130 in words is "one hundred thirteen billion, one hundred thirty-one million, two hundred thirty-one thousand, one hundred thirty".