201043402331 has 2 divisors, whose sum is σ = 201043402332. Its totient is φ = 201043402330.

The previous prime is 201043402327. The next prime is 201043402369. The reversal of 201043402331 is 133204340102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201043402331 - 2² = 201043402327 is a prime.

It is a super-2 number, since 2×201043402331² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 201043402297 and 201043402306.

It is not a weakly prime, because it can be changed into another prime (201043402031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100521701165 + 100521701166.

It is an arithmetic number, because the mean of its divisors is an integer number (100521701166).

Almost surely, 2^201043402331 is an apocalyptic number.

201043402331 is a deficient number, since it is larger than the sum of its proper divisors (1).

201043402331 is an equidigital number, since it uses as much as digits as its factorization.

201043402331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 201043402331 its reverse (133204340102), we get a palindrome (334247742433).

The spelling of 201043402331 in words is "two hundred one billion, forty-three million, four hundred two thousand, three hundred thirty-one".