31048903 has 2 divisors, whose sum is σ = 31048904. Its totient is φ = 31048902.

The previous prime is 31048877. The next prime is 31048909. The reversal of 31048903 is 30984013.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31048903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31048909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15524451 + 15524452.

It is an arithmetic number, because the mean of its divisors is an integer number (15524452).

Almost surely, 2^31048903 is an apocalyptic number.

31048903 is a deficient number, since it is larger than the sum of its proper divisors (1).

31048903 is an equidigital number, since it uses as much as digits as its factorization.

31048903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 31048903 is about 5572.1542512748. The cubic root of 31048903 is about 314.3031644089.

The spelling of 31048903 in words is "thirty-one million, forty-eight thousand, nine hundred three".