31443052 has 12 divisors (see below), whose sum is σ = 56800576. Its totient is φ = 15214320.

The previous prime is 31443037. The next prime is 31443053. The reversal of 31443052 is 25034413.

It is not an unprimeable number, because it can be changed into a prime (31443053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126663 + ... + 126910.

Almost surely, 2^31443052 is an apocalyptic number.

It is an amenable number.

31443052 is a deficient number, since it is larger than the sum of its proper divisors (25357524).

31443052 is a wasteful number, since it uses less digits than its factorization.

31443052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253608 (or 253606 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 31443052 is about 5607.4104540331. The cubic root of 31443052 is about 315.6275454750.

Adding to 31443052 its reverse (25034413), we get a palindrome (56477465).

The spelling of 31443052 in words is "thirty-one million, four hundred forty-three thousand, fifty-two".