311053240325 has 36 divisors (see below), whose sum is σ = 407327705028. Its totient is φ = 235599148800.

The previous prime is 311053240319. The next prime is 311053240349. The reversal of 311053240325 is 523042350113.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 52174782724 + 258878457601 = 228418^2 + 508801^2 .

It is not a de Polignac number, because 311053240325 - 2⁶ = 311053240261 is a prime.

It is a super-2 number, since 2×311053240325² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 15810995 + ... + 15830655.

It is an arithmetic number, because the mean of its divisors is an integer number (11314658473).

Almost surely, 2^311053240325 is an apocalyptic number.

It is an amenable number.

311053240325 is a deficient number, since it is larger than the sum of its proper divisors (96274464703).

311053240325 is a wasteful number, since it uses less digits than its factorization.

311053240325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21462 (or 21438 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 29.

Adding to 311053240325 its reverse (523042350113), we get a palindrome (834095590438).

The spelling of 311053240325 in words is "three hundred eleven billion, fifty-three million, two hundred forty thousand, three hundred twenty-five".