311421506837 has 8 divisors (see below), whose sum is σ = 374642414400. Its totient is φ = 252883629504.

The previous prime is 311421506819. The next prime is 311421506867. The reversal of 311421506837 is 738605124113.

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

It is a cyclic number.

It is not a de Polignac number, because 311421506837 - 2¹² = 311421502741 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 311421506794 and 311421506803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311421506867) 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, 1170757412 + ... + 1170757677.

It is an arithmetic number, because the mean of its divisors is an integer number (46830301800).

Almost surely, 2^311421506837 is an apocalyptic number.

It is an amenable number.

311421506837 is a deficient number, since it is larger than the sum of its proper divisors (63220907563).

311421506837 is a wasteful number, since it uses less digits than its factorization.

311421506837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2341515115.

The product of its (nonzero) digits is 120960, while the sum is 41.

The spelling of 311421506837 in words is "three hundred eleven billion, four hundred twenty-one million, five hundred six thousand, eight hundred thirty-seven".