130787031 has 8 divisors (see below), whose sum is σ = 176076160. Its totient is φ = 86344632.

The previous prime is 130787023. The next prime is 130787053.

130787031 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 130787031 - 2³ = 130787023 is a prime.

It is a super-2 number, since 2×130787031² = 34210494955589922, 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 130787031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130787081) 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, 211321 + ... + 211938.

It is an arithmetic number, because the mean of its divisors is an integer number (22009520).

Almost surely, 2^130787031 is an apocalyptic number.

130787031 is a deficient number, since it is larger than the sum of its proper divisors (45289129).

130787031 is a wasteful number, since it uses less digits than its factorization.

130787031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423365.

The product of its (nonzero) digits is 3528, while the sum is 30.

The square root of 130787031 is about 11436.2157639667. The cubic root of 130787031 is about 507.5999379332.

The spelling of 130787031 in words is "one hundred thirty million, seven hundred eighty-seven thousand, thirty-one".