31334669 has 2 divisors, whose sum is σ = 31334670. Its totient is φ = 31334668.

The previous prime is 31334651. The next prime is 31334683. The reversal of 31334669 is 96643313.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25755625 + 5579044 = 5075^2 + 2362^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31334669 is a prime.

It is a super-2 number, since 2×31334669² = 1963722962679122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31334269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15667334 + 15667335.

It is an arithmetic number, because the mean of its divisors is an integer number (15667335).

Almost surely, 2^31334669 is an apocalyptic number.

It is an amenable number.

31334669 is a deficient number, since it is larger than the sum of its proper divisors (1).

31334669 is an equidigital number, since it uses as much as digits as its factorization.

31334669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34992, while the sum is 35.

The square root of 31334669 is about 5597.7378466663. The cubic root of 31334669 is about 315.2644759590.

The spelling of 31334669 in words is "thirty-one million, three hundred thirty-four thousand, six hundred sixty-nine".