1533040231 has 2 divisors, whose sum is σ = 1533040232. Its totient is φ = 1533040230.

The previous prime is 1533040217. The next prime is 1533040237. The reversal of 1533040231 is 1320403351.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1533040231 - 2¹¹ = 1533038183 is a prime.

It is a super-2 number, since 2×1533040231² = 4700424699729066722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1533040237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 766520115 + 766520116.

It is an arithmetic number, because the mean of its divisors is an integer number (766520116).

Almost surely, 2^1533040231 is an apocalyptic number.

1533040231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1533040231 is an equidigital number, since it uses as much as digits as its factorization.

1533040231 is an evil number, because the sum of its binary digits is even.

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

The square root of 1533040231 is about 39154.0576569019. The cubic root of 1533040231 is about 1153.0580815312.

Adding to 1533040231 its reverse (1320403351), we get a palindrome (2853443582).

The spelling of 1533040231 in words is "one billion, five hundred thirty-three million, forty thousand, two hundred thirty-one".