311143629007 has 8 divisors (see below), whose sum is σ = 318686001920. Its totient is φ = 303615186840.

The previous prime is 311143628963. The next prime is 311143629023. The reversal of 311143629007 is 700926341113.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-311143629007 is a prime.

It is the 557803-rd Hogben number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311143629047) by changing a digit.

It is a nontrivial repunit in base 557802.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3437469 + ... + 3526822.

It is an arithmetic number, because the mean of its divisors is an integer number (39835750240).

Almost surely, 2^311143629007 is an apocalyptic number.

311143629007 is a deficient number, since it is larger than the sum of its proper divisors (7542372913).

311143629007 is a wasteful number, since it uses less digits than its factorization.

311143629007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6965373.

The product of its (nonzero) digits is 27216, while the sum is 37.

The spelling of 311143629007 in words is "three hundred eleven billion, one hundred forty-three million, six hundred twenty-nine thousand, seven".