Search a number
-
+
131402107 is a prime number
BaseRepresentation
bin1111101010100…
…00100101111011
3100011020220210201
413311100211323
5232114331412
621012223031
73153620344
oct765204573
9304226721
10131402107
116819a391
123800aa77
13212b9a35
14136470cb
15b808e57
hex7d5097b

131402107 has 2 divisors, whose sum is σ = 131402108. Its totient is φ = 131402106.

The previous prime is 131402101. The next prime is 131402137. The reversal of 131402107 is 701204131.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-131402107 is a prime.

It is not a weakly prime, because it can be changed into another prime (131402101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65701053 + 65701054.

It is an arithmetic number, because the mean of its divisors is an integer number (65701054).

Almost surely, 2131402107 is an apocalyptic number.

131402107 is a deficient number, since it is larger than the sum of its proper divisors (1).

131402107 is an equidigital number, since it uses as much as digits as its factorization.

131402107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 131402107 is about 11463.0758088743. The cubic root of 131402107 is about 508.3944213486.

Adding to 131402107 its reverse (701204131), we get a palindrome (832606238).

The spelling of 131402107 in words is "one hundred thirty-one million, four hundred two thousand, one hundred seven".