312132301189 has 2 divisors, whose sum is σ = 312132301190. Its totient is φ = 312132301188.

The previous prime is 312132301147. The next prime is 312132301279. The reversal of 312132301189 is 981103231213.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 299132424900 + 12999876289 = 546930^2 + 114017^2 .

It is a cyclic number.

It is not a de Polignac number, because 312132301189 - 2¹⁵ = 312132268421 is a prime.

It is a super-2 number, since 2×312132301189² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312132341189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156066150594 + 156066150595.

It is an arithmetic number, because the mean of its divisors is an integer number (156066150595).

Almost surely, 2^312132301189 is an apocalyptic number.

It is an amenable number.

312132301189 is a deficient number, since it is larger than the sum of its proper divisors (1).

312132301189 is an equidigital number, since it uses as much as digits as its factorization.

312132301189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 34.

The spelling of 312132301189 in words is "three hundred twelve billion, one hundred thirty-two million, three hundred one thousand, one hundred eighty-nine".