103131130 has 16 divisors (see below), whose sum is σ = 186410664. Its totient is φ = 41080320.

The previous prime is 103131101. The next prime is 103131137. The reversal of 103131130 is 31131301.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 92910321 + 10220809 = 9639^2 + 3197^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 103131130.

It is not an unprimeable number, because it can be changed into a prime (103131137) 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, 18987 + ... + 23806.

Almost surely, 2^103131130 is an apocalyptic number.

103131130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

103131130 is a deficient number, since it is larger than the sum of its proper divisors (83279534).

103131130 is a wasteful number, since it uses less digits than its factorization.

103131130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43041.

The product of its (nonzero) digits is 27, while the sum is 13.

The square root of 103131130 is about 10155.3498216457. The cubic root of 103131130 is about 468.9536553876.

Adding to 103131130 its reverse (31131301), we get a palindrome (134262431).

The spelling of 103131130 in words is "one hundred three million, one hundred thirty-one thousand, one hundred thirty".