31270049 has 2 divisors, whose sum is σ = 31270050. Its totient is φ = 31270048.

The previous prime is 31270027. The next prime is 31270081. The reversal of 31270049 is 94007213.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19298449 + 11971600 = 4393^2 + 3460^2 .

It is a cyclic number.

It is not a de Polignac number, because 31270049 - 2¹² = 31265953 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (31270009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15635024 + 15635025.

It is an arithmetic number, because the mean of its divisors is an integer number (15635025).

Almost surely, 2^31270049 is an apocalyptic number.

It is an amenable number.

31270049 is a deficient number, since it is larger than the sum of its proper divisors (1).

31270049 is an equidigital number, since it uses as much as digits as its factorization.

31270049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 31270049 is about 5591.9628932961. The cubic root of 31270049 is about 315.0476084924.

The spelling of 31270049 in words is "thirty-one million, two hundred seventy thousand, forty-nine".