311153135045 has 8 divisors (see below), whose sum is σ = 373390300824. Its totient is φ = 248918148864.

The previous prime is 311153135003. The next prime is 311153135077. The reversal of 311153135045 is 540531351113.

It can be written as a sum of positive squares in 4 ways, for example, as 46511823556 + 264641311489 = 215666^2 + 514433^2 .

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 311153135045 - 2¹⁶ = 311153069509 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 212384 + ... + 816953.

It is an arithmetic number, because the mean of its divisors is an integer number (46673787603).

Almost surely, 2^311153135045 is an apocalyptic number.

It is an amenable number.

311153135045 is a deficient number, since it is larger than the sum of its proper divisors (62237165779).

311153135045 is a wasteful number, since it uses less digits than its factorization.

311153135045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1089799.

The product of its (nonzero) digits is 13500, while the sum is 32.

Adding to 311153135045 its reverse (540531351113), we get a palindrome (851684486158).

The spelling of 311153135045 in words is "three hundred eleven billion, one hundred fifty-three million, one hundred thirty-five thousand, forty-five".