315353431451 has 4 divisors (see below), whose sum is σ = 316552494192. Its totient is φ = 314154368712.

The previous prime is 315353431429. The next prime is 315353431543. The reversal of 315353431451 is 154134353513.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-315353431451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (315353431651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 599530976 + ... + 599531501.

It is an arithmetic number, because the mean of its divisors is an integer number (79138123548).

Almost surely, 2^315353431451 is an apocalyptic number.

315353431451 is a deficient number, since it is larger than the sum of its proper divisors (1199062741).

315353431451 is a wasteful number, since it uses less digits than its factorization.

315353431451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1199062740.

The product of its digits is 162000, while the sum is 38.

Adding to 315353431451 its reverse (154134353513), we get a palindrome (469487784964).

The spelling of 315353431451 in words is "three hundred fifteen billion, three hundred fifty-three million, four hundred thirty-one thousand, four hundred fifty-one".