311727463 has 4 divisors (see below), whose sum is σ = 313125568. Its totient is φ = 310329360.

The previous prime is 311727457. The next prime is 311727473. The reversal of 311727463 is 364727113.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 311727463 - 2²⁵ = 278173031 is a prime.

It is a super-2 number, since 2×311727463² = 194348022376832738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311727473) 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, 698718 + ... + 699163.

It is an arithmetic number, because the mean of its divisors is an integer number (78281392).

Almost surely, 2^311727463 is an apocalyptic number.

311727463 is a deficient number, since it is larger than the sum of its proper divisors (1398105).

311727463 is a wasteful number, since it uses less digits than its factorization.

311727463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1398104.

The product of its digits is 21168, while the sum is 34.

The square root of 311727463 is about 17655.8053625429. The cubic root of 311727463 is about 678.0447459033.

The spelling of 311727463 in words is "three hundred eleven million, seven hundred twenty-seven thousand, four hundred sixty-three".