31477234 has 16 divisors (see below), whose sum is σ = 50630400. Its totient is φ = 14624064.

The previous prime is 31477213. The next prime is 31477289. The reversal of 31477234 is 43277413.

It is a junction number, because it is equal to n+sod(n) for n = 31477196 and 31477205.

It is an unprimeable number.

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, 3174 + ... + 8545.

It is an arithmetic number, because the mean of its divisors is an integer number (3164400).

Almost surely, 2^31477234 is an apocalyptic number.

31477234 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

31477234 is a deficient number, since it is larger than the sum of its proper divisors (19153166).

31477234 is a wasteful number, since it uses less digits than its factorization.

31477234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11817.

The product of its digits is 14112, while the sum is 31.

The square root of 31477234 is about 5610.4575570982. The cubic root of 31477234 is about 315.7418778199.

The spelling of 31477234 in words is "thirty-one million, four hundred seventy-seven thousand, two hundred thirty-four".