130312100 has 18 divisors (see below), whose sum is σ = 282777474. Its totient is φ = 52124800.

The previous prime is 130312097. The next prime is 130312111. The reversal of 130312100 is 1213031.

It can be written as a sum of positive squares in 3 ways, for example, as 8076964 + 122235136 = 2842^2 + 11056^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 651461 + ... + 651660.

Almost surely, 2^130312100 is an apocalyptic number.

130312100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130312100 is an abundant number, since it is smaller than the sum of its proper divisors (152465374).

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

130312100 is a wasteful number, since it uses less digits than its factorization.

130312100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1303135 (or 1303128 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 130312100 is about 11415.4325367022. The cubic root of 130312100 is about 506.9847715770.

Adding to 130312100 its reverse (1213031), we get a palindrome (131525131).

The spelling of 130312100 in words is "one hundred thirty million, three hundred twelve thousand, one hundred".