31419 has 6 divisors (see below), whose sum is σ = 45396. Its totient is φ = 20940.

The previous prime is 31397. The next prime is 31469. The reversal of 31419 is 91413.

It is not a de Polignac number, because 31419 - 2⁵ = 31387 is a prime.

It is a super-2 number, since 2×31419² = 1974307122, which contains 22 as substring.

It is a plaindrome in base 13 and base 16.

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (31469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1737 + ... + 1754.

It is an arithmetic number, because the mean of its divisors is an integer number (7566).

2³¹⁴¹⁹ is an apocalyptic number.

31419 is a deficient number, since it is larger than the sum of its proper divisors (13977).

31419 is a wasteful number, since it uses less digits than its factorization.

31419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3497 (or 3494 counting only the distinct ones).

The product of its digits is 108, while the sum is 18.

The square root of 31419 is about 177.2540549607. The cubic root of 31419 is about 31.5547046396.

It can be divided in two parts, 314 and 19, that added together give a palindrome (333).

The spelling of 31419 in words is "thirty-one thousand, four hundred nineteen".