131130123130 has 16 divisors (see below), whose sum is σ = 238686293160. Its totient is φ = 51862700032.

The previous prime is 131130123127. The next prime is 131130123149. The reversal of 131130123130 is 31321031131.

It can be written as a sum of positive squares in 4 ways, for example, as 116367630129 + 14762493001 = 341127^2 + 121501^2 .

It is a junction number, because it is equal to n+sod(n) for n = 131130123098 and 131130123107.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73667719 + ... + 73669498.

Almost surely, 2^131130123130 is an apocalyptic number.

131130123130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131130123130 is a deficient number, since it is larger than the sum of its proper divisors (107556170030).

131130123130 is a wasteful number, since it uses less digits than its factorization.

131130123130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147337313.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 131130123130 its reverse (31321031131), we get a palindrome (162451154261).

The spelling of 131130123130 in words is "one hundred thirty-one billion, one hundred thirty million, one hundred twenty-three thousand, one hundred thirty".