315141234421 has 32 divisors (see below), whose sum is σ = 358540922880. Its totient is φ = 274591296000.

The previous prime is 315141234391. The next prime is 315141234427. The reversal of 315141234421 is 124432141513.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 315141234421 - 2⁵ = 315141234389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315141234427) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 119687721 + ... + 119690353.

It is an arithmetic number, because the mean of its divisors is an integer number (11204403840).

Almost surely, 2^315141234421 is an apocalyptic number.

It is an amenable number.

315141234421 is a deficient number, since it is larger than the sum of its proper divisors (43399688459).

315141234421 is a wasteful number, since it uses less digits than its factorization.

315141234421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4237.

The product of its digits is 11520, while the sum is 31.

Adding to 315141234421 its reverse (124432141513), we get a palindrome (439573375934).

The spelling of 315141234421 in words is "three hundred fifteen billion, one hundred forty-one million, two hundred thirty-four thousand, four hundred twenty-one".