312413203410421 has 16 divisors (see below), whose sum is σ = 319594448864880. Its totient is φ = 305298856212480.

The previous prime is 312413203410409. The next prime is 312413203410439. The reversal of 312413203410421 is 124014302314213.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 21945570852100 + 290467632558321 = 4684610^2 + 17043111^2 .

It is a cyclic number.

It is not a de Polignac number, because 312413203410421 - 2³⁵ = 312378843672053 is a prime.

It is a super-2 number, since 2×312413203410421² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312413203410221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80553795 + ... + 84342991.

It is an arithmetic number, because the mean of its divisors is an integer number (19974653054055).

Almost surely, 2^{312413203410421} is an apocalyptic number.

It is an amenable number.

312413203410421 is a deficient number, since it is larger than the sum of its proper divisors (7181245454459).

312413203410421 is a wasteful number, since it uses less digits than its factorization.

312413203410421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3798024.

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 312413203410421 its reverse (124014302314213), we get a palindrome (436427505724634).

The spelling of 312413203410421 in words is "three hundred twelve trillion, four hundred thirteen billion, two hundred three million, four hundred ten thousand, four hundred twenty-one".