311842296869 has 4 divisors (see below), whose sum is σ = 311848838496. Its totient is φ = 311835755244.

The previous prime is 311842296863. The next prime is 311842296893. The reversal of 311842296869 is 968692248113.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 968692248113 = 12739 ⋅76041467.

It is a cyclic number.

It is not a de Polignac number, because 311842296869 - 2³⁶ = 243122820133 is a prime.

It is a super-2 number, since 2×311842296869² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311842296863) 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, 3198779 + ... + 3294824.

It is an arithmetic number, because the mean of its divisors is an integer number (77962209624).

Almost surely, 2^311842296869 is an apocalyptic number.

It is an amenable number.

311842296869 is a deficient number, since it is larger than the sum of its proper divisors (6541627).

311842296869 is an equidigital number, since it uses as much as digits as its factorization.

311842296869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6541626.

The product of its digits is 8957952, while the sum is 59.

The spelling of 311842296869 in words is "three hundred eleven billion, eight hundred forty-two million, two hundred ninety-six thousand, eight hundred sixty-nine".