315213141 has 8 divisors (see below), whose sum is σ = 420504480. Its totient is φ = 210031952.

The previous prime is 315213121. The next prime is 315213181. The reversal of 315213141 is 141312513.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 315213141 - 2⁷ = 315213013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315213121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20610 + ... + 32483.

It is an arithmetic number, because the mean of its divisors is an integer number (52563060).

Almost surely, 2^315213141 is an apocalyptic number.

It is an amenable number.

315213141 is a deficient number, since it is larger than the sum of its proper divisors (105291339).

315213141 is a wasteful number, since it uses less digits than its factorization.

315213141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55075.

The product of its digits is 360, while the sum is 21.

The square root of 315213141 is about 17754.2429013461. The cubic root of 315213141 is about 680.5626405929.

Adding to 315213141 its reverse (141312513), we get a palindrome (456525654).

The spelling of 315213141 in words is "three hundred fifteen million, two hundred thirteen thousand, one hundred forty-one".