312222044013133 has 4 divisors (see below), whose sum is σ = 312223620747808. Its totient is φ = 312220467278460.

The previous prime is 312222044013109. The next prime is 312222044013137. The reversal of 312222044013133 is 331310440222213.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 312222044013133 - 2²¹ = 312222041915981 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 312222044013095 and 312222044013104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312222044013137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 788070273 + ... + 788466358.

It is an arithmetic number, because the mean of its divisors is an integer number (78055905186952).

Almost surely, 2^{312222044013133} is an apocalyptic number.

It is an amenable number.

312222044013133 is a deficient number, since it is larger than the sum of its proper divisors (1576734675).

312222044013133 is a wasteful number, since it uses less digits than its factorization.

312222044013133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1576734674.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 312222044013133 its reverse (331310440222213), we get a palindrome (643532484235346).

The spelling of 312222044013133 in words is "three hundred twelve trillion, two hundred twenty-two billion, forty-four million, thirteen thousand, one hundred thirty-three".