311140351052 has 6 divisors (see below), whose sum is σ = 544495614348. Its totient is φ = 155570175524.

The previous prime is 311140351037. The next prime is 311140351087. The reversal of 311140351052 is 250153041113.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38892543878 + ... + 38892543885.

It is an arithmetic number, because the mean of its divisors is an integer number (90749269058).

Almost surely, 2^311140351052 is an apocalyptic number.

It is an amenable number.

311140351052 is a deficient number, since it is larger than the sum of its proper divisors (233355263296).

311140351052 is a wasteful number, since it uses less digits than its factorization.

311140351052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77785087767 (or 77785087765 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 26.

Adding to 311140351052 its reverse (250153041113), we get a palindrome (561293392165).

The spelling of 311140351052 in words is "three hundred eleven billion, one hundred forty million, three hundred fifty-one thousand, fifty-two".