31459093 has 2 divisors, whose sum is σ = 31459094. Its totient is φ = 31459092.

The previous prime is 31459073. The next prime is 31459111. The reversal of 31459093 is 39095413.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26450449 + 5008644 = 5143^2 + 2238^2 .

It is a cyclic number.

It is not a de Polignac number, because 31459093 - 2¹⁷ = 31328021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31459063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15729546 + 15729547.

It is an arithmetic number, because the mean of its divisors is an integer number (15729547).

Almost surely, 2^31459093 is an apocalyptic number.

It is an amenable number.

31459093 is a deficient number, since it is larger than the sum of its proper divisors (1).

31459093 is an equidigital number, since it uses as much as digits as its factorization.

31459093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14580, while the sum is 34.

The square root of 31459093 is about 5608.8406110354. The cubic root of 31459093 is about 315.6812099086.

The spelling of 31459093 in words is "thirty-one million, four hundred fifty-nine thousand, ninety-three".