331132253 has 2 divisors, whose sum is σ = 331132254. Its totient is φ = 331132252.

The previous prime is 331132229. The next prime is 331132259. The reversal of 331132253 is 352231133.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 331130809 + 1444 = 18197^2 + 38^2 .

It is a cyclic number.

It is not a de Polignac number, because 331132253 - 2²⁸ = 62696797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (331132259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165566126 + 165566127.

It is an arithmetic number, because the mean of its divisors is an integer number (165566127).

Almost surely, 2^331132253 is an apocalyptic number.

It is an amenable number.

331132253 is a deficient number, since it is larger than the sum of its proper divisors (1).

331132253 is an equidigital number, since it uses as much as digits as its factorization.

331132253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1620, while the sum is 23.

The square root of 331132253 is about 18197.0396768266. The cubic root of 331132253 is about 691.8317589430.

Adding to 331132253 its reverse (352231133), we get a palindrome (683363386).

The spelling of 331132253 in words is "three hundred thirty-one million, one hundred thirty-two thousand, two hundred fifty-three".