311434355 has 4 divisors (see below), whose sum is σ = 373721232. Its totient is φ = 249147480.

The previous prime is 311434351. The next prime is 311434367. The reversal of 311434355 is 553434113.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 553434113 = 41 ⋅13498393.

It is not a de Polignac number, because 311434355 - 2² = 311434351 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (311434351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31143431 + ... + 31143440.

It is an arithmetic number, because the mean of its divisors is an integer number (93430308).

Almost surely, 2^311434355 is an apocalyptic number.

311434355 is a deficient number, since it is larger than the sum of its proper divisors (62286877).

311434355 is an equidigital number, since it uses as much as digits as its factorization.

311434355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62286876.

The product of its digits is 10800, while the sum is 29.

The square root of 311434355 is about 17647.5027978465. The cubic root of 311434355 is about 677.8321642036.

Adding to 311434355 its reverse (553434113), we get a palindrome (864868468).

The spelling of 311434355 in words is "three hundred eleven million, four hundred thirty-four thousand, three hundred fifty-five".