31434326 has 32 divisors (see below), whose sum is σ = 62249472. Its totient is φ = 11525760.

The previous prime is 31434287. The next prime is 31434329. The reversal of 31434326 is 62343413.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 31434295 and 31434304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31434329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3386 + ... + 8621.

It is an arithmetic number, because the mean of its divisors is an integer number (1945296).

Almost surely, 2^31434326 is an apocalyptic number.

31434326 is a deficient number, since it is larger than the sum of its proper divisors (30815146).

31434326 is a wasteful number, since it uses less digits than its factorization.

31434326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12044.

The product of its digits is 5184, while the sum is 26.

The square root of 31434326 is about 5606.6323225266. The cubic root of 31434326 is about 315.5983453751.

Adding to 31434326 its reverse (62343413), we get a palindrome (93777739).

The spelling of 31434326 in words is "thirty-one million, four hundred thirty-four thousand, three hundred twenty-six".