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131023007 is a prime number
BaseRepresentation
bin1111100111101…
…00000010011111
3100010112122202222
413303310002133
5232020214012
621000135555
73150451163
oct763640237
9303478688
10131023007
1167a60585
1237a675bb
13211b630b
1413588ca3
15b781972
hex7cf409f

131023007 has 2 divisors, whose sum is σ = 131023008. Its totient is φ = 131023006.

The previous prime is 131022977. The next prime is 131023027. The reversal of 131023007 is 700320131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131023007 - 28 = 131022751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131023027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65511503 + 65511504.

It is an arithmetic number, because the mean of its divisors is an integer number (65511504).

Almost surely, 2131023007 is an apocalyptic number.

131023007 is a deficient number, since it is larger than the sum of its proper divisors (1).

131023007 is an equidigital number, since it uses as much as digits as its factorization.

131023007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 126, while the sum is 17.

The square root of 131023007 is about 11446.5281635962. The cubic root of 131023007 is about 507.9050381014.

Adding to 131023007 its reverse (700320131), we get a palindrome (831343138).

The spelling of 131023007 in words is "one hundred thirty-one million, twenty-three thousand, seven".