311432343224129 has 4 divisors (see below), whose sum is σ = 311711154633684. Its totient is φ = 311153531814576.

The previous prime is 311432343224083. The next prime is 311432343224141. The reversal of 311432343224129 is 921422343234113.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 175598329827904 + 135834013396225 = 13251352^2 + 11654785^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-311432343224129 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 311432343224129.

It is not an unprimeable number, because it can be changed into a prime (311432343224329) 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, 139405703102 + ... + 139405705335.

It is an arithmetic number, because the mean of its divisors is an integer number (77927788658421).

Almost surely, 2^{311432343224129} is an apocalyptic number.

It is an amenable number.

311432343224129 is a deficient number, since it is larger than the sum of its proper divisors (278811409555).

311432343224129 is a wasteful number, since it uses less digits than its factorization.

311432343224129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278811409554.

The product of its digits is 746496, while the sum is 44.

The spelling of 311432343224129 in words is "three hundred eleven trillion, four hundred thirty-two billion, three hundred forty-three million, two hundred twenty-four thousand, one hundred twenty-nine".