311313153 has 16 divisors (see below), whose sum is σ = 427048256. Its totient is φ = 201579840.

The previous prime is 311313143. The next prime is 311313181. The reversal of 311313153 is 351313113.

It is not a de Polignac number, because 311313153 - 2⁶ = 311313089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (311313143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71250 + ... + 75492.

It is an arithmetic number, because the mean of its divisors is an integer number (26690516).

Almost surely, 2^311313153 is an apocalyptic number.

It is an amenable number.

311313153 is a deficient number, since it is larger than the sum of its proper divisors (115735103).

311313153 is a wasteful number, since it uses less digits than its factorization.

311313153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4944.

The product of its digits is 405, while the sum is 21.

The square root of 311313153 is about 17644.0684934059. The cubic root of 311313153 is about 677.7442213542.

Adding to 311313153 its reverse (351313113), we get a palindrome (662626266).

The spelling of 311313153 in words is "three hundred eleven million, three hundred thirteen thousand, one hundred fifty-three".