31374041 has 2 divisors, whose sum is σ = 31374042. Its totient is φ = 31374040.

The previous prime is 31374029. The next prime is 31374043. The reversal of 31374041 is 14047313.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27457600 + 3916441 = 5240^2 + 1979^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31374041 is a prime.

Together with 31374043, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 31373998 and 31374016.

It is not a weakly prime, because it can be changed into another prime (31374043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15687020 + 15687021.

It is an arithmetic number, because the mean of its divisors is an integer number (15687021).

Almost surely, 2^31374041 is an apocalyptic number.

It is an amenable number.

31374041 is a deficient number, since it is larger than the sum of its proper divisors (1).

31374041 is an equidigital number, since it uses as much as digits as its factorization.

31374041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 31374041 is about 5601.2535204184. The cubic root of 31374041 is about 315.3964639259.

The spelling of 31374041 in words is "thirty-one million, three hundred seventy-four thousand, forty-one".