31052042 has 32 divisors (see below), whose sum is σ = 56609280. Its totient is φ = 12478320.

The previous prime is 31052039. The next prime is 31052051. The reversal of 31052042 is 24025013.

It is a self number, because there is not a number n which added to its sum of digits gives 31052042.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27917 + ... + 29007.

It is an arithmetic number, because the mean of its divisors is an integer number (1769040).

Almost surely, 2^31052042 is an apocalyptic number.

31052042 is a deficient number, since it is larger than the sum of its proper divisors (25557238).

31052042 is a wasteful number, since it uses less digits than its factorization.

31052042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1226.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 31052042 is about 5572.4359125969. The cubic root of 31052042 is about 314.3137559198.

Adding to 31052042 its reverse (24025013), we get a palindrome (55077055).

The spelling of 31052042 in words is "thirty-one million, fifty-two thousand, forty-two".