31349146 has 4 divisors (see below), whose sum is σ = 47023722. Its totient is φ = 15674572.

The previous prime is 31349083. The next prime is 31349167. The reversal of 31349146 is 64194313.

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., 31236921 + 112225 = 5589^2 + 335^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7837285 + ... + 7837288.

Almost surely, 2^31349146 is an apocalyptic number.

31349146 is a deficient number, since it is larger than the sum of its proper divisors (15674576).

31349146 is a wasteful number, since it uses less digits than its factorization.

31349146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15674575.

The product of its digits is 7776, while the sum is 31.

The square root of 31349146 is about 5599.0308089883. The cubic root of 31349146 is about 315.3130204972.

The spelling of 31349146 in words is "thirty-one million, three hundred forty-nine thousand, one hundred forty-six".