1431311412 has 12 divisors (see below), whose sum is σ = 3339726656. Its totient is φ = 477103800.

The previous prime is 1431311411. The next prime is 1431311467. The reversal of 1431311412 is 2141131341.

It is a tau number, because it is divible by the number of its divisors (12).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1431311411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59637964 + ... + 59637987.

Almost surely, 2^1431311412 is an apocalyptic number.

1431311412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1431311412 is an abundant number, since it is smaller than the sum of its proper divisors (1908415244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1431311412 is a wasteful number, since it uses less digits than its factorization.

1431311412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119275958 (or 119275956 counting only the distinct ones).

The product of its digits is 288, while the sum is 21.

The square root of 1431311412 is about 37832.6765111854. The cubic root of 1431311412 is about 1126.9674640452.

Adding to 1431311412 its reverse (2141131341), we get a palindrome (3572442753).

The spelling of 1431311412 in words is "one billion, four hundred thirty-one million, three hundred eleven thousand, four hundred twelve".