1431311241212 has 12 divisors (see below), whose sum is σ = 2517908781696. Its totient is φ = 711908732160.

The previous prime is 1431311241211. The next prime is 1431311241221. The reversal of 1431311241212 is 2121421131341.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1431311241211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 936721253 + ... + 936722780.

It is an arithmetic number, because the mean of its divisors is an integer number (209825731808).

Almost surely, 2^{1431311241212} is an apocalyptic number.

It is an amenable number.

1431311241212 is a deficient number, since it is larger than the sum of its proper divisors (1086597540484).

1431311241212 is a wasteful number, since it uses less digits than its factorization.

1431311241212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1873444228 (or 1873444226 counting only the distinct ones).

The product of its digits is 1152, while the sum is 26.

Adding to 1431311241212 its reverse (2121421131341), we get a palindrome (3552732372553).

The spelling of 1431311241212 in words is "one trillion, four hundred thirty-one billion, three hundred eleven million, two hundred forty-one thousand, two hundred twelve".