1431212234402 has 4 divisors (see below), whose sum is σ = 2146818351606. Its totient is φ = 715606117200.

The previous prime is 1431212234363. The next prime is 1431212234423. The reversal of 1431212234402 is 2044322121341.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1094892269641 + 336319964761 = 1046371^2 + 579931^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 357803058599 + ... + 357803058602.

Almost surely, 2^{1431212234402} is an apocalyptic number.

1431212234402 is a deficient number, since it is larger than the sum of its proper divisors (715606117204).

1431212234402 is an equidigital number, since it uses as much as digits as its factorization.

1431212234402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715606117203.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 1431212234402 its reverse (2044322121341), we get a palindrome (3475534355743).

The spelling of 1431212234402 in words is "one trillion, four hundred thirty-one billion, two hundred twelve million, two hundred thirty-four thousand, four hundred two".