311953048607 has 4 divisors (see below), whose sum is σ = 313079233176. Its totient is φ = 310826864040.

The previous prime is 311953048597. The next prime is 311953048637. The reversal of 311953048607 is 706840359113.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 311953048607 - 2⁶ = 311953048543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311953048637) 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, 563091869 + ... + 563092422.

It is an arithmetic number, because the mean of its divisors is an integer number (78269808294).

Almost surely, 2^311953048607 is an apocalyptic number.

311953048607 is a deficient number, since it is larger than the sum of its proper divisors (1126184569).

311953048607 is a wasteful number, since it uses less digits than its factorization.

311953048607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1126184568.

The product of its (nonzero) digits is 544320, while the sum is 47.

The spelling of 311953048607 in words is "three hundred eleven billion, nine hundred fifty-three million, forty-eight thousand, six hundred seven".