311314134 has 16 divisors (see below), whose sum is σ = 623273472. Its totient is φ = 103663848.

The previous prime is 311314127. The next prime is 311314139. The reversal of 311314134 is 431413113.

It is a self number, because there is not a number n which added to its sum of digits gives 311314134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311314139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20494 + ... + 32289.

It is an arithmetic number, because the mean of its divisors is an integer number (38954592).

Almost surely, 2^311314134 is an apocalyptic number.

311314134 is an abundant number, since it is smaller than the sum of its proper divisors (311959338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

311314134 is a wasteful number, since it uses less digits than its factorization.

311314134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53771.

The product of its digits is 432, while the sum is 21.

The square root of 311314134 is about 17644.0962930948. The cubic root of 311314134 is about 677.7449332487.

Adding to 311314134 its reverse (431413113), we get a palindrome (742727247).

The spelling of 311314134 in words is "three hundred eleven million, three hundred fourteen thousand, one hundred thirty-four".