31434332 has 6 divisors (see below), whose sum is σ = 55010088. Its totient is φ = 15717164.

The previous prime is 31434329. The next prime is 31434371. The reversal of 31434332 is 23343413.

It is a junction number, because it is equal to n+sod(n) for n = 31434298 and 31434307.

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, 3929288 + ... + 3929295.

It is an arithmetic number, because the mean of its divisors is an integer number (9168348).

Almost surely, 2^31434332 is an apocalyptic number.

It is an amenable number.

31434332 is a deficient number, since it is larger than the sum of its proper divisors (23575756).

31434332 is a wasteful number, since it uses less digits than its factorization.

31434332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7858587 (or 7858585 counting only the distinct ones).

The product of its digits is 2592, while the sum is 23.

The square root of 31434332 is about 5606.6328576071. The cubic root of 31434332 is about 315.5983654550.

Adding to 31434332 its reverse (23343413), we get a palindrome (54777745).

The spelling of 31434332 in words is "thirty-one million, four hundred thirty-four thousand, three hundred thirty-two".