311314332043 has 64 divisors (see below), whose sum is σ = 400218900480. Its totient is φ = 237957350400.

The previous prime is 311314331987. The next prime is 311314332143. The reversal of 311314332043 is 340233413113.

It is a de Polignac number, because none of the positive numbers 2^k-311314332043 is a prime.

It is a super-2 number, since 2×311314332043² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (311314332143) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6940458 + ... + 6985168.

It is an arithmetic number, because the mean of its divisors is an integer number (6253420320).

Almost surely, 2^311314332043 is an apocalyptic number.

311314332043 is a deficient number, since it is larger than the sum of its proper divisors (88904568437).

311314332043 is a wasteful number, since it uses less digits than its factorization.

311314332043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44860.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 311314332043 its reverse (340233413113), we get a palindrome (651547745156).

The spelling of 311314332043 in words is "three hundred eleven billion, three hundred fourteen million, three hundred thirty-two thousand, forty-three".