2315421420 has 96 divisors (see below), whose sum is σ = 7392627648. Its totient is φ = 536420352.

The previous prime is 2315421401. The next prime is 2315421421. The reversal of 2315421420 is 241245132.

It is a super-2 number, since 2×2315421420² = 10722352704389632800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2315421421) 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, 74049 + ... + 100568.

It is an arithmetic number, because the mean of its divisors is an integer number (77006538).

Almost surely, 2^2315421420 is an apocalyptic number.

2315421420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2315421420 is an abundant number, since it is smaller than the sum of its proper divisors (5077206228).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2315421420 is a wasteful number, since it uses less digits than its factorization.

2315421420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174659 (or 174657 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 2315421420 is about 48118.8260455302. The cubic root of 2315421420 is about 1322.9497509665.

Adding to 2315421420 its reverse (241245132), we get a palindrome (2556666552).

The spelling of 2315421420 in words is "two billion, three hundred fifteen million, four hundred twenty-one thousand, four hundred twenty".