315112141 has 2 divisors, whose sum is σ = 315112142. Its totient is φ = 315112140.

The previous prime is 315112099. The next prime is 315112181. The reversal of 315112141 is 141211513.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 295496100 + 19616041 = 17190^2 + 4429^2 .

It is a cyclic number.

It is not a de Polignac number, because 315112141 - 2²³ = 306723533 is a prime.

It is a super-2 number, since 2×315112141² = 198591322811207762, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (315112181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157556070 + 157556071.

It is an arithmetic number, because the mean of its divisors is an integer number (157556071).

Almost surely, 2^315112141 is an apocalyptic number.

It is an amenable number.

315112141 is a deficient number, since it is larger than the sum of its proper divisors (1).

315112141 is an equidigital number, since it uses as much as digits as its factorization.

315112141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120, while the sum is 19.

The square root of 315112141 is about 17751.3982829522. The cubic root of 315112141 is about 680.4899446288.

Adding to 315112141 its reverse (141211513), we get a palindrome (456323654).

The spelling of 315112141 in words is "three hundred fifteen million, one hundred twelve thousand, one hundred forty-one".