31341253 has 2 divisors, whose sum is σ = 31341254. Its totient is φ = 31341252.

The previous prime is 31341229. The next prime is 31341259. The reversal of 31341253 is 35214313.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25421764 + 5919489 = 5042^2 + 2433^2 .

It is a cyclic number.

It is not a de Polignac number, because 31341253 - 2²¹ = 29244101 is a prime.

It is a super-2 number, since 2×31341253² = 1964548279220018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31341259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15670626 + 15670627.

It is an arithmetic number, because the mean of its divisors is an integer number (15670627).

Almost surely, 2^31341253 is an apocalyptic number.

It is an amenable number.

31341253 is a deficient number, since it is larger than the sum of its proper divisors (1).

31341253 is an equidigital number, since it uses as much as digits as its factorization.

31341253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1080, while the sum is 22.

The square root of 31341253 is about 5598.3259104843. The cubic root of 31341253 is about 315.2865554002.

Adding to 31341253 its reverse (35214313), we get a palindrome (66555566).

The spelling of 31341253 in words is "thirty-one million, three hundred forty-one thousand, two hundred fifty-three".