312132311269553 has 2 divisors, whose sum is σ = 312132311269554. Its totient is φ = 312132311269552.

The previous prime is 312132311269547. The next prime is 312132311269613. The reversal of 312132311269553 is 355962113231213.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 308137017884224 + 3995293385329 = 17553832^2 + 1998823^2 .

It is an emirp because it is prime and its reverse (355962113231213) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 312132311269553 - 2⁸ = 312132311269297 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 312132311269498 and 312132311269507.

It is not a weakly prime, because it can be changed into another prime (312132311269523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156066155634776 + 156066155634777.

It is an arithmetic number, because the mean of its divisors is an integer number (156066155634777).

Almost surely, 2^{312132311269553} is an apocalyptic number.

It is an amenable number.

312132311269553 is a deficient number, since it is larger than the sum of its proper divisors (1).

312132311269553 is an equidigital number, since it uses as much as digits as its factorization.

312132311269553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 874800, while the sum is 47.

The spelling of 312132311269553 in words is "three hundred twelve trillion, one hundred thirty-two billion, three hundred eleven million, two hundred sixty-nine thousand, five hundred fifty-three".