311430000033 has 12 divisors (see below), whose sum is σ = 451467320148. Its totient is φ = 206870467680.

The previous prime is 311430000017. The next prime is 311430000067. The reversal of 311430000033 is 330000034113.

It can be written as a sum of positive squares in 2 ways, for example, as 210298367889 + 101131632144 = 458583^2 + 318012^2 .

It is not a de Polignac number, because 311430000033 - 2⁴ = 311430000017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 311429999970 and 311430000015.

It is not an unprimeable number, because it can be changed into a prime (311430500033) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62458398 + ... + 62463383.

It is an arithmetic number, because the mean of its divisors is an integer number (37622276679).

Almost surely, 2^311430000033 is an apocalyptic number.

It is an amenable number.

311430000033 is a deficient number, since it is larger than the sum of its proper divisors (140037320115).

311430000033 is a wasteful number, since it uses less digits than its factorization.

311430000033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124922064 (or 124922061 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 311430000033 its reverse (330000034113), we get a palindrome (641430034146).

The spelling of 311430000033 in words is "three hundred eleven billion, four hundred thirty million, thirty-three", and thus it is an aban number.