31412 has 6 divisors (see below), whose sum is σ = 54978. Its totient is φ = 15704.

The previous prime is 31397. The next prime is 31469. The reversal of 31412 is 21413.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 17956 + 13456 = 134^2 + 116^2 .

It is a junction number, because it is equal to n+sod(n) for n = 31393 and 31402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3923 + ... + 3930.

It is an arithmetic number, because the mean of its divisors is an integer number (9163).

2³¹⁴¹² is an apocalyptic number.

It is an amenable number.

31412 is a deficient number, since it is larger than the sum of its proper divisors (23566).

31412 is a wasteful number, since it uses less digits than its factorization.

31412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7857 (or 7855 counting only the distinct ones).

The product of its digits is 24, while the sum is 11.

The square root of 31412 is about 177.2343081912. The cubic root of 31412 is about 31.5523610541.

Adding to 31412 its reverse (21413), we get a palindrome (52825).

Subtracting from 31412 its reverse (21413), we obtain a palindrome (9999).

The spelling of 31412 in words is "thirty-one thousand, four hundred twelve".