315465211403 has 4 divisors (see below), whose sum is σ = 315467761560. Its totient is φ = 315462661248.

The previous prime is 315465211349. The next prime is 315465211421. The reversal of 315465211403 is 304112564513.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 304112564513 = 24533 ⋅12396061.

It is a cyclic number.

It is not a de Polignac number, because 315465211403 - 2⁸ = 315465211147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (315465211903) 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, 1079525 + ... + 1340262.

It is an arithmetic number, because the mean of its divisors is an integer number (78866940390).

Almost surely, 2^315465211403 is an apocalyptic number.

315465211403 is a deficient number, since it is larger than the sum of its proper divisors (2550157).

315465211403 is a wasteful number, since it uses less digits than its factorization.

315465211403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2550156.

The product of its (nonzero) digits is 43200, while the sum is 35.

Adding to 315465211403 its reverse (304112564513), we get a palindrome (619577775916).

The spelling of 315465211403 in words is "three hundred fifteen billion, four hundred sixty-five million, two hundred eleven thousand, four hundred three".