31041045 has 24 divisors (see below), whose sum is σ = 61491456. Its totient is φ = 14190048.

The previous prime is 31041029. The next prime is 31041061. The reversal of 31041045 is 54014013.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (31041029) and next prime (31041061).

It is not a de Polignac number, because 31041045 - 2⁴ = 31041029 is a prime.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 48957 + ... + 49586.

It is an arithmetic number, because the mean of its divisors is an integer number (2562144).

Almost surely, 2^31041045 is an apocalyptic number.

31041045 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

31041045 is a deficient number, since it is larger than the sum of its proper divisors (30450411).

31041045 is a wasteful number, since it uses less digits than its factorization.

31041045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98561 (or 98558 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 31041045 is about 5571.4490933688. The cubic root of 31041045 is about 314.2766470721.

Adding to 31041045 its reverse (54014013), we get a palindrome (85055058).

The spelling of 31041045 in words is "thirty-one million, forty-one thousand, forty-five".