130550431 has 16 divisors (see below), whose sum is σ = 149767200. Its totient is φ = 112694400.

The previous prime is 130550401. The next prime is 130550473. The reversal of 130550431 is 134055031.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130550431 is a prime.

It is a super-2 number, since 2×130550431² = 34086830068571522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130550401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16105 + ... + 22813.

It is an arithmetic number, because the mean of its divisors is an integer number (9360450).

Almost surely, 2^130550431 is an apocalyptic number.

130550431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

130550431 is a deficient number, since it is larger than the sum of its proper divisors (19216769).

130550431 is a wasteful number, since it uses less digits than its factorization.

130550431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6810.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 130550431 is about 11425.8667504921. The cubic root of 130550431 is about 507.2936623074.

The spelling of 130550431 in words is "one hundred thirty million, five hundred fifty thousand, four hundred thirty-one".