31042202 has 4 divisors (see below), whose sum is σ = 46563306. Its totient is φ = 15521100.

The previous prime is 31042199. The next prime is 31042217. The reversal of 31042202 is 20224013.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 30591961 + 450241 = 5531^2 + 671^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7760549 + ... + 7760552.

Almost surely, 2^31042202 is an apocalyptic number.

31042202 is a deficient number, since it is larger than the sum of its proper divisors (15521104).

31042202 is a wasteful number, since it uses less digits than its factorization.

31042202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15521103.

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

The square root of 31042202 is about 5571.5529253521. The cubic root of 31042202 is about 314.2805517255.

Adding to 31042202 its reverse (20224013), we get a palindrome (51266215).

The spelling of 31042202 in words is "thirty-one million, forty-two thousand, two hundred two".