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130163431 is a prime number
BaseRepresentation
bin1111100001000…
…10001011100111
3100001220222122211
413300202023213
5231310212211
620525504251
73140241136
oct760421347
9301828584
10130163431
1167523792
1237712087
1320c74ca8
141340391d
15b661e21
hex7c222e7

130163431 has 2 divisors, whose sum is σ = 130163432. Its totient is φ = 130163430.

The previous prime is 130163419. The next prime is 130163437. The reversal of 130163431 is 134361031.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 130163431 - 25 = 130163399 is a prime.

It is a super-2 number, since 2×1301634312 = 33885037539383522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130163437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65081715 + 65081716.

It is an arithmetic number, because the mean of its divisors is an integer number (65081716).

Almost surely, 2130163431 is an apocalyptic number.

130163431 is a deficient number, since it is larger than the sum of its proper divisors (1).

130163431 is an equidigital number, since it uses as much as digits as its factorization.

130163431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 130163431 is about 11408.9189233687. The cubic root of 130163431 is about 506.7918971861.

The spelling of 130163431 in words is "one hundred thirty million, one hundred sixty-three thousand, four hundred thirty-one".