103131310130 has 16 divisors (see below), whose sum is σ = 186326461080. Its totient is φ = 41099167872.

The previous prime is 103131310127. The next prime is 103131310141. The reversal of 103131310130 is 31013131301.

It can be written as a sum of positive squares in 4 ways, for example, as 43291876489 + 59839433641 = 208067^2 + 244621^2 .

It is a junction number, because it is equal to n+sod(n) for n = 103131310099 and 103131310108.

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, 19166699 + ... + 19172078.

Almost surely, 2^103131310130 is an apocalyptic number.

103131310130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

103131310130 is a deficient number, since it is larger than the sum of its proper divisors (83195150950).

103131310130 is a wasteful number, since it uses less digits than its factorization.

103131310130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38339053.

The product of its (nonzero) digits is 81, while the sum is 17.

Adding to 103131310130 its reverse (31013131301), we get a palindrome (134144441431).

The spelling of 103131310130 in words is "one hundred three billion, one hundred thirty-one million, three hundred ten thousand, one hundred thirty".