1431344322 has 24 divisors (see below), whose sum is σ = 3106552176. Its totient is φ = 476298456.

The previous prime is 1431344287. The next prime is 1431344339. The reversal of 1431344322 is 2234431341.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57168 + ... + 78299.

It is an arithmetic number, because the mean of its divisors is an integer number (129439674).

Almost surely, 2^1431344322 is an apocalyptic number.

1431344322 is an abundant number, since it is smaller than the sum of its proper divisors (1675207854).

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

1431344322 is a wasteful number, since it uses less digits than its factorization.

1431344322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136062 (or 136059 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

The square root of 1431344322 is about 37833.1114501570. Note that the first 3 decimals coincide. The cubic root of 1431344322 is about 1126.9761013957.

Adding to 1431344322 its reverse (2234431341), we get a palindrome (3665775663).

It can be divided in two parts, 143134 and 4322, that added together give a square (147456 = 384²).

The spelling of 1431344322 in words is "one billion, four hundred thirty-one million, three hundred forty-four thousand, three hundred twenty-two".