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130466031 = 347925291
BaseRepresentation
bin1111100011011…
…00000011101111
3100002111100202020
413301230003233
5231344403111
620540201223
73142641303
oct761540357
9302440666
10130466031
1167710073
1237839213
132104c947
1413481d03
15b6c1906
hex7c6c0ef

130466031 has 8 divisors (see below), whose sum is σ = 177656064. Its totient is φ = 85126680.

The previous prime is 130466029. The next prime is 130466069. The reversal of 130466031 is 130664031.

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

It is not a de Polignac number, because 130466031 - 21 = 130466029 is a prime.

It is a super-2 number, since 2×1304660312 = 34042770489785922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 130465992 and 130466010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130466131) 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, 462505 + ... + 462786.

It is an arithmetic number, because the mean of its divisors is an integer number (22207008).

Almost surely, 2130466031 is an apocalyptic number.

130466031 is a deficient number, since it is larger than the sum of its proper divisors (47190033).

130466031 is an equidigital number, since it uses as much as digits as its factorization.

130466031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 925341.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 130466031 is about 11422.1727792920. The cubic root of 130466031 is about 507.1843180620.

The spelling of 130466031 in words is "one hundred thirty million, four hundred sixty-six thousand, thirty-one".

Divisors: 1 3 47 141 925291 2775873 43488677 130466031