311042134 has 24 divisors (see below), whose sum is σ = 516986712. Its totient is φ = 140212800.

The previous prime is 311042129. The next prime is 311042153. The reversal of 311042134 is 431240113.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3834 + ... + 25234.

It is an arithmetic number, because the mean of its divisors is an integer number (21541113).

Almost surely, 2^311042134 is an apocalyptic number.

311042134 is a deficient number, since it is larger than the sum of its proper divisors (205944578).

311042134 is a wasteful number, since it uses less digits than its factorization.

311042134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21472 (or 21459 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 311042134 is about 17636.3866480637. The cubic root of 311042134 is about 677.5474903054.

Adding to 311042134 its reverse (431240113), we get a palindrome (742282247).

The spelling of 311042134 in words is "three hundred eleven million, forty-two thousand, one hundred thirty-four".