23131121130130 has 32 divisors (see below), whose sum is σ = 45301044230064. Its totient is φ = 8452672966656.

The previous prime is 23131121130127. The next prime is 23131121130179. The reversal of 23131121130130 is 3103112113132.

It can be written as a sum of positive squares in 8 ways, for example, as 3029824128321 + 20101297001809 = 1740639^2 + 4483447^2 .

It is a super-3 number, since 3×23131121130130³ (a number of 41 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 917161107 + ... + 917186326.

Almost surely, 2^{23131121130130} is an apocalyptic number.

23131121130130 is a deficient number, since it is larger than the sum of its proper divisors (22169923099934).

23131121130130 is a wasteful number, since it uses less digits than its factorization.

23131121130130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1834347550.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 23131121130130 its reverse (3103112113132), we get a palindrome (26234233243262).

The spelling of 23131121130130 in words is "twenty-three trillion, one hundred thirty-one billion, one hundred twenty-one million, one hundred thirty thousand, one hundred thirty".