130391101 has 4 divisors (see below), whose sum is σ = 131682204. Its totient is φ = 129100000.

The previous prime is 130391089. The next prime is 130391123. The reversal of 130391101 is 101193031.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 108056025 + 22335076 = 10395^2 + 4726^2 .

It is a cyclic number.

It is not a de Polignac number, because 130391101 - 2⁵ = 130391069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130395101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 645400 + ... + 645601.

It is an arithmetic number, because the mean of its divisors is an integer number (32920551).

Almost surely, 2^130391101 is an apocalyptic number.

It is an amenable number.

130391101 is a deficient number, since it is larger than the sum of its proper divisors (1291103).

130391101 is a wasteful number, since it uses less digits than its factorization.

130391101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1291102.

The product of its (nonzero) digits is 81, while the sum is 19.

The square root of 130391101 is about 11418.8922842805. The cubic root of 130391101 is about 507.0872031313.

The spelling of 130391101 in words is "one hundred thirty million, three hundred ninety-one thousand, one hundred one".