311141423 has 2 divisors, whose sum is σ = 311141424. Its totient is φ = 311141422.

The previous prime is 311141417. The next prime is 311141437. The reversal of 311141423 is 324141113.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-311141423 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 311141395 and 311141404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (311147423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155570711 + 155570712.

It is an arithmetic number, because the mean of its divisors is an integer number (155570712).

Almost surely, 2^311141423 is an apocalyptic number.

311141423 is a deficient number, since it is larger than the sum of its proper divisors (1).

311141423 is an equidigital number, since it uses as much as digits as its factorization.

311141423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 288, while the sum is 20.

The square root of 311141423 is about 17639.2013141185. The cubic root of 311141423 is about 677.6195768477.

Adding to 311141423 its reverse (324141113), we get a palindrome (635282536).

The spelling of 311141423 in words is "three hundred eleven million, one hundred forty-one thousand, four hundred twenty-three".