311285924493 has 8 divisors (see below), whose sum is σ = 415944332928. Its totient is φ = 207075732864.

The previous prime is 311285924483. The next prime is 311285924503. The reversal of 311285924493 is 394429582113.

It is an interprime number because it is at equal distance from previous prime (311285924483) and next prime (311285924503).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 311285924493 - 2¹² = 311285920397 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311285924483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112052580 + ... + 112055357.

It is an arithmetic number, because the mean of its divisors is an integer number (51993041616).

Almost surely, 2^311285924493 is an apocalyptic number.

It is an amenable number.

311285924493 is a deficient number, since it is larger than the sum of its proper divisors (104658408435).

311285924493 is a wasteful number, since it uses less digits than its factorization.

311285924493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224108403.

The product of its digits is 1866240, while the sum is 51.

The spelling of 311285924493 in words is "three hundred eleven billion, two hundred eighty-five million, nine hundred twenty-four thousand, four hundred ninety-three".