31126097 has 2 divisors, whose sum is σ = 31126098. Its totient is φ = 31126096.

The previous prime is 31126091. The next prime is 31126129. The reversal of 31126097 is 79062113.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25361296 + 5764801 = 5036^2 + 2401^2 .

It is a cyclic number.

It is not a de Polignac number, because 31126097 - 2⁶ = 31126033 is a prime.

It is not a weakly prime, because it can be changed into another prime (31126091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15563048 + 15563049.

It is an arithmetic number, because the mean of its divisors is an integer number (15563049).

Almost surely, 2^31126097 is an apocalyptic number.

It is an amenable number.

31126097 is a deficient number, since it is larger than the sum of its proper divisors (1).

31126097 is an equidigital number, since it uses as much as digits as its factorization.

31126097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 31126097 is about 5579.0767157299. The cubic root of 31126097 is about 314.5634230848.

The spelling of 31126097 in words is "thirty-one million, one hundred twenty-six thousand, ninety-seven".