31070049 has 16 divisors (see below), whose sum is σ = 43588800. Its totient is φ = 19656896.

The previous prime is 31070027. The next prime is 31070057. The reversal of 31070049 is 94007013.

It is not a de Polignac number, because 31070049 - 2⁸ = 31069793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31070009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2107 + ... + 8159.

It is an arithmetic number, because the mean of its divisors is an integer number (2724300).

Almost surely, 2^31070049 is an apocalyptic number.

It is an amenable number.

31070049 is a deficient number, since it is larger than the sum of its proper divisors (12518751).

31070049 is a wasteful number, since it uses less digits than its factorization.

31070049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6144.

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 31070049 is about 5574.0513991172. The cubic root of 31070049 is about 314.3745007614.

It can be divided in two parts, 3107004 and 9, that added together give a palindrome (3107013).

The spelling of 31070049 in words is "thirty-one million, seventy thousand, forty-nine".