311313421552 has 40 divisors (see below), whose sum is σ = 689363093216. Its totient is φ = 133414960896.

The previous prime is 311313421513. The next prime is 311313421561. The reversal of 311313421552 is 255124313113.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5429578 + ... + 5486614.

Almost surely, 2^311313421552 is an apocalyptic number.

It is an amenable number.

311313421552 is an abundant number, since it is smaller than the sum of its proper divisors (378049671664).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

311313421552 is a wasteful number, since it uses less digits than its factorization.

311313421552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105785 (or 105779 counting only the distinct ones).

The product of its digits is 10800, while the sum is 31.

Adding to 311313421552 its reverse (255124313113), we get a palindrome (566437734665).

The spelling of 311313421552 in words is "three hundred eleven billion, three hundred thirteen million, four hundred twenty-one thousand, five hundred fifty-two".