312404042021103 has 12 divisors (see below), whose sum is σ = 454496687834280. Its totient is φ = 206771020617456.

The previous prime is 312404042021101. The next prime is 312404042021153. The reversal of 312404042021103 is 301120240404213.

312404042021103 is a `hidden beast` number, since 3 + 1 + 2 + 40 + 404 + 2 + 0 + 211 + 0 + 3 = 666.

It is not a de Polignac number, because 312404042021103 - 2¹ = 312404042021101 is a prime.

It is a super-2 number, since 2×312404042021103² (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 (312404042021101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 124861726176 + ... + 124861728677.

It is an arithmetic number, because the mean of its divisors is an integer number (37874723986190).

Almost surely, 2^{312404042021103} is an apocalyptic number.

312404042021103 is a deficient number, since it is larger than the sum of its proper divisors (142092645813177).

312404042021103 is a wasteful number, since it uses less digits than its factorization.

312404042021103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249723454998 (or 249723454995 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 312404042021103 its reverse (301120240404213), we get a palindrome (613524282425316).

The spelling of 312404042021103 in words is "three hundred twelve trillion, four hundred four billion, forty-two million, twenty-one thousand, one hundred three".