311052142330 has 8 divisors (see below), whose sum is σ = 559893856212. Its totient is φ = 124420856928.

The previous prime is 311052142327. The next prime is 311052142333. The reversal of 311052142330 is 33241250113.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (311052142327) and next prime (311052142333).

It can be written as a sum of positive squares in 2 ways, for example, as 286322378281 + 24729764049 = 535091^2 + 157257^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 311052142295 and 311052142304.

It is not an unprimeable number, because it can be changed into a prime (311052142333) 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, 15552607107 + ... + 15552607126.

Almost surely, 2^311052142330 is an apocalyptic number.

311052142330 is a deficient number, since it is larger than the sum of its proper divisors (248841713882).

311052142330 is a wasteful number, since it uses less digits than its factorization.

311052142330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31105214240.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 311052142330 its reverse (33241250113), we get a palindrome (344293392443).

The spelling of 311052142330 in words is "three hundred eleven billion, fifty-two million, one hundred forty-two thousand, three hundred thirty".