Search a number
-
+
131032259 is a prime number
BaseRepresentation
bin1111100111101…
…10010011000011
3100010120010110122
413303312103003
5232021013014
621000250455
73150520151
oct763662303
9303503418
10131032259
1167a67526
1237a70a2b
13211ba5a7
141358c3d1
15b78458e
hex7cf64c3

131032259 has 2 divisors, whose sum is σ = 131032260. Its totient is φ = 131032258.

The previous prime is 131032211. The next prime is 131032273. The reversal of 131032259 is 952230131.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-131032259 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (131031259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65516129 + 65516130.

It is an arithmetic number, because the mean of its divisors is an integer number (65516130).

Almost surely, 2131032259 is an apocalyptic number.

131032259 is a deficient number, since it is larger than the sum of its proper divisors (1).

131032259 is an equidigital number, since it uses as much as digits as its factorization.

131032259 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 131032259 is about 11446.9322964714. The cubic root of 131032259 is about 507.9169928130.

The spelling of 131032259 in words is "one hundred thirty-one million, thirty-two thousand, two hundred fifty-nine".