1431212131402 has 16 divisors (see below), whose sum is σ = 2273123926080. Its totient is φ = 673504982208.

The previous prime is 1431212131397. The next prime is 1431212131417. The reversal of 1431212131402 is 2041312121341.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6101413 + ... + 6331639.

It is an arithmetic number, because the mean of its divisors is an integer number (142070245380).

Almost surely, 2^{1431212131402} is an apocalyptic number.

1431212131402 is a deficient number, since it is larger than the sum of its proper divisors (841911794678).

1431212131402 is a wasteful number, since it uses less digits than its factorization.

1431212131402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413085.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 1431212131402 its reverse (2041312121341), we get a palindrome (3472524252743).

The spelling of 1431212131402 in words is "one trillion, four hundred thirty-one billion, two hundred twelve million, one hundred thirty-one thousand, four hundred two".