31034245 has 16 divisors (see below), whose sum is σ = 42394752. Its totient is φ = 21588160.

The previous prime is 31034243. The next prime is 31034251. The reversal of 31034245 is 54243013.

It is not a de Polignac number, because 31034245 - 2¹ = 31034243 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31034243) 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, 11002 + ... + 13531.

It is an arithmetic number, because the mean of its divisors is an integer number (2649672).

Almost surely, 2^31034245 is an apocalyptic number.

It is an amenable number.

31034245 is a deficient number, since it is larger than the sum of its proper divisors (11360507).

31034245 is a wasteful number, since it uses less digits than its factorization.

31034245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24572.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 31034245 is about 5570.8388057814. The cubic root of 31034245 is about 314.2536964136.

Adding to 31034245 its reverse (54243013), we get a palindrome (85277258).

The spelling of 31034245 in words is "thirty-one million, thirty-four thousand, two hundred forty-five".