31074311 has 8 divisors (see below), whose sum is σ = 32490720. Its totient is φ = 29663392.

The previous prime is 31074301. The next prime is 31074319. The reversal of 31074311 is 11347013.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31074311 is a prime.

It is a super-2 number, since 2×31074311² = 1931225608249442, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31074319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13985 + ... + 16053.

It is an arithmetic number, because the mean of its divisors is an integer number (4061340).

Almost surely, 2^31074311 is an apocalyptic number.

31074311 is a deficient number, since it is larger than the sum of its proper divisors (1416409).

31074311 is a wasteful number, since it uses less digits than its factorization.

31074311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2745.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 31074311 is about 5574.4336932105. The cubic root of 31074311 is about 314.3888747636.

The spelling of 31074311 in words is "thirty-one million, seventy-four thousand, three hundred eleven".