31202042 has 8 divisors (see below), whose sum is σ = 47041236. Its totient is φ = 15521632.

The previous prime is 31201991. The next prime is 31202051. The reversal of 31202042 is 24020213.

It can be written as a sum of positive squares in 2 ways, for example, as 29691601 + 1510441 = 5449^2 + 1229^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39203 + ... + 39990.

Almost surely, 2^31202042 is an apocalyptic number.

31202042 is a deficient number, since it is larger than the sum of its proper divisors (15839194).

31202042 is a wasteful number, since it uses less digits than its factorization.

31202042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79392.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 31202042 is about 5585.8788028385. The cubic root of 31202042 is about 314.8190511944.

Adding to 31202042 its reverse (24020213), we get a palindrome (55222255).

The spelling of 31202042 in words is "thirty-one million, two hundred two thousand, forty-two".