1401431042201 has 2 divisors, whose sum is σ = 1401431042202. Its totient is φ = 1401431042200.

The previous prime is 1401431042131. The next prime is 1401431042293. The reversal of 1401431042201 is 1022401341041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1344811315600 + 56619726601 = 1159660^2 + 237949^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1401431042201 is a prime.

It is not a weakly prime, because it can be changed into another prime (1401431042801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700715521100 + 700715521101.

It is an arithmetic number, because the mean of its divisors is an integer number (700715521101).

Almost surely, 2^{1401431042201} is an apocalyptic number.

It is an amenable number.

1401431042201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1401431042201 is an equidigital number, since it uses as much as digits as its factorization.

1401431042201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 1401431042201 its reverse (1022401341041), we get a palindrome (2423832383242).

The spelling of 1401431042201 in words is "one trillion, four hundred one billion, four hundred thirty-one million, forty-two thousand, two hundred one".