312404042021141 has 6 divisors (see below), whose sum is σ = 363408783575670. Its totient is φ = 267774893160936.

The previous prime is 312404042021101. The next prime is 312404042021153. The reversal of 312404042021141 is 141120240404213.

It can be written as a sum of positive squares in only one way, i.e., 243283690782916 + 69120351238225 = 15597554^2 + 8313865^2 .

It is not a de Polignac number, because 312404042021141 - 2²⁶ = 312403974912277 is a prime.

It is a super-2 number, since 2×312404042021141² (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 5 ways as a sum of consecutive naturals, for example, 3187796347106 + ... + 3187796347203.

It is an arithmetic number, because the mean of its divisors is an integer number (60568130595945).

Almost surely, 2^{312404042021141} is an apocalyptic number.

It is an amenable number.

312404042021141 is a deficient number, since it is larger than the sum of its proper divisors (51004741554529).

312404042021141 is an equidigital number, since it uses as much as digits as its factorization.

312404042021141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6375592694323 (or 6375592694316 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 29.

Adding to 312404042021141 its reverse (141120240404213), we get a palindrome (453524282425354).

The spelling of 312404042021141 in words is "three hundred twelve trillion, four hundred four billion, forty-two million, twenty-one thousand, one hundred forty-one".