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130883131 = 190768633
BaseRepresentation
bin1111100110100…
…01111000111011
3100010021112220101
413303101320323
5232001230011
620553140231
73146326321
oct763217073
9303245811
10130883131
1167975485
12379ba677
1321167752
141354dd11
15b7552c1
hex7cd1e3b

130883131 has 4 divisors (see below), whose sum is σ = 130953672. Its totient is φ = 130812592.

The previous prime is 130883117. The next prime is 130883183. The reversal of 130883131 is 131388031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131388031 = 193680767.

It is a cyclic number.

It is not a de Polignac number, because 130883131 - 223 = 122494523 is a prime.

It is a super-2 number, since 2×1308831312 = 34260787960726322, 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 130883131.

It is not an unprimeable number, because it can be changed into a prime (130883101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32410 + ... + 36223.

It is an arithmetic number, because the mean of its divisors is an integer number (32738418).

Almost surely, 2130883131 is an apocalyptic number.

130883131 is a deficient number, since it is larger than the sum of its proper divisors (70541).

130883131 is an equidigital number, since it uses as much as digits as its factorization.

130883131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70540.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 130883131 is about 11440.4165571014. The cubic root of 130883131 is about 507.7242326508.

The spelling of 130883131 in words is "one hundred thirty million, eight hundred eighty-three thousand, one hundred thirty-one".

Divisors: 1 1907 68633 130883131