31427027 has 2 divisors, whose sum is σ = 31427028. Its totient is φ = 31427026.

The previous prime is 31427021. The next prime is 31427089. The reversal of 31427027 is 72072413.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31427027 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 31426987 and 31427005.

It is not a weakly prime, because it can be changed into another prime (31427021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15713513 + 15713514.

It is an arithmetic number, because the mean of its divisors is an integer number (15713514).

Almost surely, 2^31427027 is an apocalyptic number.

31427027 is a deficient number, since it is larger than the sum of its proper divisors (1).

31427027 is an equidigital number, since it uses as much as digits as its factorization.

31427027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 31427027 is about 5605.9813592269. The cubic root of 31427027 is about 315.5739163413.

The spelling of 31427027 in words is "thirty-one million, four hundred twenty-seven thousand, twenty-seven".