31484743 has 8 divisors (see below), whose sum is σ = 32558400. Its totient is φ = 30422880.

The previous prime is 31484741. The next prime is 31484753. The reversal of 31484743 is 34748413.

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

It is not a de Polignac number, because 31484743 - 2¹ = 31484741 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31484699 and 31484708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31484741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2658 + ... + 8368.

It is an arithmetic number, because the mean of its divisors is an integer number (4069800).

Almost surely, 2^31484743 is an apocalyptic number.

31484743 is a deficient number, since it is larger than the sum of its proper divisors (1073657).

31484743 is a wasteful number, since it uses less digits than its factorization.

31484743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5897.

The product of its digits is 32256, while the sum is 34.

The square root of 31484743 is about 5611.1267139497. The cubic root of 31484743 is about 315.7669829192.

The spelling of 31484743 in words is "thirty-one million, four hundred eighty-four thousand, seven hundred forty-three".