312442422156853 has 2 divisors, whose sum is σ = 312442422156854. Its totient is φ = 312442422156852.

The previous prime is 312442422156847. The next prime is 312442422156869. The reversal of 312442422156853 is 358651224244213.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 202282976554884 + 110159445601969 = 14222622^2 + 10495687^2 .

It is a cyclic number.

It is not a de Polignac number, because 312442422156853 - 2⁴¹ = 310243398901301 is a prime.

It is a super-2 number, since 2×312442422156853² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 312442422156853.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312442422156353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156221211078426 + 156221211078427.

It is an arithmetic number, because the mean of its divisors is an integer number (156221211078427).

Almost surely, 2^{312442422156853} is an apocalyptic number.

It is an amenable number.

312442422156853 is a deficient number, since it is larger than the sum of its proper divisors (1).

312442422156853 is an equidigital number, since it uses as much as digits as its factorization.

312442422156853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11059200, while the sum is 52.

The spelling of 312442422156853 in words is "three hundred twelve trillion, four hundred forty-two billion, four hundred twenty-two million, one hundred fifty-six thousand, eight hundred fifty-three".