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316125503957 is a prime number
BaseRepresentation
bin1001001100110101000…
…11000110000111010101
31010012222022220111121102
410212122203012013111
520134411112111312
6401120454355445
731560612306404
oct4463243060725
91105868814542
10316125503957
1111208267307a
125132595bb85
1323a6c8b8023
141142ca2363b
1583531e5ec2
hex499a8c61d5

316125503957 has 2 divisors, whose sum is σ = 316125503958. Its totient is φ = 316125503956.

The previous prime is 316125503899. The next prime is 316125503989. The reversal of 316125503957 is 759305521613.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 265061255281 + 51064248676 = 514841^2 + 225974^2 .

It is an emirp because it is prime and its reverse (759305521613) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 316125503957 - 210 = 316125502933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (316125503357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158062751978 + 158062751979.

It is an arithmetic number, because the mean of its divisors is an integer number (158062751979).

Almost surely, 2316125503957 is an apocalyptic number.

It is an amenable number.

316125503957 is a deficient number, since it is larger than the sum of its proper divisors (1).

316125503957 is an equidigital number, since it uses as much as digits as its factorization.

316125503957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 850500, while the sum is 47.

The spelling of 316125503957 in words is "three hundred sixteen billion, one hundred twenty-five million, five hundred three thousand, nine hundred fifty-seven".