311475429 has 16 divisors (see below), whose sum is σ = 468335040. Its totient is φ = 204549840.

The previous prime is 311475427. The next prime is 311475487. The reversal of 311475429 is 924574113.

It is not a de Polignac number, because 311475429 - 2¹ = 311475427 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 311475393 and 311475402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311475421) 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, 84282 + ... + 87899.

It is an arithmetic number, because the mean of its divisors is an integer number (29270940).

Almost surely, 2^311475429 is an apocalyptic number.

It is an amenable number.

311475429 is a deficient number, since it is larger than the sum of its proper divisors (156859611).

311475429 is a wasteful number, since it uses less digits than its factorization.

311475429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172257 (or 172251 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 311475429 is about 17648.6664935343. Note that the first 3 decimals coincide. The cubic root of 311475429 is about 677.8619618736.

The spelling of 311475429 in words is "three hundred eleven million, four hundred seventy-five thousand, four hundred twenty-nine".