311134504403 has 2 divisors, whose sum is σ = 311134504404. Its totient is φ = 311134504402.

The previous prime is 311134504399. The next prime is 311134504423. The reversal of 311134504403 is 304405431113.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 311134504403 - 2² = 311134504399 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (311134504423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155567252201 + 155567252202.

It is an arithmetic number, because the mean of its divisors is an integer number (155567252202).

Almost surely, 2^311134504403 is an apocalyptic number.

311134504403 is a deficient number, since it is larger than the sum of its proper divisors (1).

311134504403 is an equidigital number, since it uses as much as digits as its factorization.

311134504403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 311134504403 its reverse (304405431113), we get a palindrome (615539935516).

The spelling of 311134504403 in words is "three hundred eleven billion, one hundred thirty-four million, five hundred four thousand, four hundred three".