Search a number
-
+
131149763 is a prime number
BaseRepresentation
bin1111101000100…
…10111111000011
3100010210002122122
413310102333003
5232033243023
621002554455
73151516553
oct764227703
9303702578
10131149763
1168037838
1237b08a2b
132122bc14
14135bd163
15b7a92c8
hex7d12fc3

131149763 has 2 divisors, whose sum is σ = 131149764. Its totient is φ = 131149762.

The previous prime is 131149729. The next prime is 131149769. The reversal of 131149763 is 367941131.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131149763 - 210 = 131148739 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (131149769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65574881 + 65574882.

It is an arithmetic number, because the mean of its divisors is an integer number (65574882).

Almost surely, 2131149763 is an apocalyptic number.

131149763 is a deficient number, since it is larger than the sum of its proper divisors (1).

131149763 is an equidigital number, since it uses as much as digits as its factorization.

131149763 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13608, while the sum is 35.

The square root of 131149763 is about 11452.0637004865. The cubic root of 131149763 is about 508.0687733682.

The spelling of 131149763 in words is "one hundred thirty-one million, one hundred forty-nine thousand, seven hundred sixty-three".