31374011 has 2 divisors, whose sum is σ = 31374012. Its totient is φ = 31374010.

The previous prime is 31373989. The next prime is 31374019. The reversal of 31374011 is 11047313.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (11047313) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31374011 is a prime.

It is not a weakly prime, because it can be changed into another prime (31374019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15687005 + 15687006.

It is an arithmetic number, because the mean of its divisors is an integer number (15687006).

Almost surely, 2^31374011 is an apocalyptic number.

31374011 is a deficient number, since it is larger than the sum of its proper divisors (1).

31374011 is an equidigital number, since it uses as much as digits as its factorization.

31374011 is an evil number, because the sum of its binary digits is even.

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

The square root of 31374011 is about 5601.2508424458. The cubic root of 31374011 is about 315.3963633980.

The spelling of 31374011 in words is "thirty-one million, three hundred seventy-four thousand, eleven".