31470043 has 12 divisors (see below), whose sum is σ = 36628200. Its totient is φ = 26924480.

The previous prime is 31470037. The next prime is 31470067. The reversal of 31470043 is 34007413.

It is a happy number.

It is not a de Polignac number, because 31470043 - 2⁹ = 31469531 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31469996 and 31470023.

It is not an unprimeable number, because it can be changed into a prime (31470013) 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 11 ways as a sum of consecutive naturals, for example, 5593 + ... + 9706.

It is an arithmetic number, because the mean of its divisors is an integer number (3052350).

Almost surely, 2^31470043 is an apocalyptic number.

31470043 is a deficient number, since it is larger than the sum of its proper divisors (5158157).

31470043 is a wasteful number, since it uses less digits than its factorization.

31470043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15338 (or 15327 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 31470043 is about 5609.8166636709. The cubic root of 31470043 is about 315.7178321581.

Adding to 31470043 its reverse (34007413), we get a palindrome (65477456).

It can be divided in two parts, 31 and 470043, that added together give a palindrome (470074).

The spelling of 31470043 in words is "thirty-one million, four hundred seventy thousand, forty-three".