130270931 has 4 divisors (see below), whose sum is σ = 148881072. Its totient is φ = 111660792.

The previous prime is 130270927. The next prime is 130270963. The reversal of 130270931 is 139072031.

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

It is a cyclic number.

It is not a de Polignac number, because 130270931 - 2² = 130270927 is a prime.

It is a super-2 number, since 2×130270931² = 33941030927213522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 130270931.

It is not an unprimeable number, because it can be changed into a prime (130270901) 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, 9305060 + ... + 9305073.

It is an arithmetic number, because the mean of its divisors is an integer number (37220268).

Almost surely, 2^130270931 is an apocalyptic number.

130270931 is a deficient number, since it is larger than the sum of its proper divisors (18610141).

130270931 is an equidigital number, since it uses as much as digits as its factorization.

130270931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18610140.

The product of its (nonzero) digits is 1134, while the sum is 26.

The square root of 130270931 is about 11413.6291774352. The cubic root of 130270931 is about 506.9313760380.

The spelling of 130270931 in words is "one hundred thirty million, two hundred seventy thousand, nine hundred thirty-one".