631874343 has 8 divisors (see below), whose sum is σ = 892057968. Its totient is φ = 396470144.

The previous prime is 631874323. The next prime is 631874363. The reversal of 631874343 is 343478136.

631874343 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (631874323) and next prime (631874363).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 631874343 - 2²⁹ = 95003431 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (631874323) 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, 6194796 + ... + 6194897.

It is an arithmetic number, because the mean of its divisors is an integer number (111507246).

Almost surely, 2^631874343 is an apocalyptic number.

631874343 is a deficient number, since it is larger than the sum of its proper divisors (260183625).

631874343 is a wasteful number, since it uses less digits than its factorization.

631874343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12389713.

The product of its digits is 145152, while the sum is 39.

The square root of 631874343 is about 25137.1108721746. The cubic root of 631874343 is about 858.1112067266. Note that the first 3 decimals are identical.

The spelling of 631874343 in words is "six hundred thirty-one million, eight hundred seventy-four thousand, three hundred forty-three".