201401431402 has 16 divisors (see below), whose sum is σ = 315260651520. Its totient is φ = 96315203952.

The previous prime is 201401431393. The next prime is 201401431411. The reversal of 201401431402 is 204134104102.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (201401431393) and next prime (201401431411).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 483799 + ... + 798037.

It is an arithmetic number, because the mean of its divisors is an integer number (19703790720).

Almost surely, 2^201401431402 is an apocalyptic number.

201401431402 is a deficient number, since it is larger than the sum of its proper divisors (113859220118).

201401431402 is a wasteful number, since it uses less digits than its factorization.

201401431402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328197.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 201401431402 its reverse (204134104102), we get a palindrome (405535535504).

The spelling of 201401431402 in words is "two hundred one billion, four hundred one million, four hundred thirty-one thousand, four hundred two".