131130121010 has 128 divisors (see below), whose sum is σ = 288073635840. Its totient is φ = 41952328704.

The previous prime is 131130120977. The next prime is 131130121021. The reversal of 131130121010 is 10121031131.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 152653961 + ... + 152654819.

It is an arithmetic number, because the mean of its divisors is an integer number (2250575280).

Almost surely, 2^131130121010 is an apocalyptic number.

131130121010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131130121010 is an abundant number, since it is smaller than the sum of its proper divisors (156943514830).

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

131130121010 is a wasteful number, since it uses less digits than its factorization.

131130121010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1840.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 131130121010 its reverse (10121031131), we get a palindrome (141251152141).

The spelling of 131130121010 in words is "one hundred thirty-one billion, one hundred thirty million, one hundred twenty-one thousand, ten".