201131453 has 2 divisors, whose sum is σ = 201131454. Its totient is φ = 201131452.

The previous prime is 201131423. The next prime is 201131459. The reversal of 201131453 is 354131102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 169468324 + 31663129 = 13018^2 + 5627^2 .

It is a cyclic number.

It is not a de Polignac number, because 201131453 - 2⁸ = 201131197 is a prime.

It is a super-2 number, since 2×201131453² = 80907722771782418, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201131459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100565726 + 100565727.

It is an arithmetic number, because the mean of its divisors is an integer number (100565727).

Almost surely, 2^201131453 is an apocalyptic number.

It is an amenable number.

201131453 is a deficient number, since it is larger than the sum of its proper divisors (1).

201131453 is an equidigital number, since it uses as much as digits as its factorization.

201131453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 201131453 is about 14182.0821108891. The cubic root of 201131453 is about 585.9042707646.

Adding to 201131453 its reverse (354131102), we get a palindrome (555262555).

The spelling of 201131453 in words is "two hundred one million, one hundred thirty-one thousand, four hundred fifty-three".