316142051 has 2 divisors, whose sum is σ = 316142052. Its totient is φ = 316142050.

The previous prime is 316142041. The next prime is 316142087. The reversal of 316142051 is 150241613.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-316142051 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (316142041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158071025 + 158071026.

It is an arithmetic number, because the mean of its divisors is an integer number (158071026).

Almost surely, 2^316142051 is an apocalyptic number.

316142051 is a deficient number, since it is larger than the sum of its proper divisors (1).

316142051 is an equidigital number, since it uses as much as digits as its factorization.

316142051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 316142051 is about 17780.3838822451. The cubic root of 316142051 is about 681.2305076936.

Adding to 316142051 its reverse (150241613), we get a palindrome (466383664).

The spelling of 316142051 in words is "three hundred sixteen million, one hundred forty-two thousand, fifty-one".