1304431422 has 16 divisors (see below), whose sum is σ = 2981557632. Its totient is φ = 372694680.

The previous prime is 1304431421. The next prime is 1304431439. The reversal of 1304431422 is 2241344031.

It is a junction number, because it is equal to n+sod(n) for n = 1304431392 and 1304431401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1304431421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15528904 + ... + 15528987.

It is an arithmetic number, because the mean of its divisors is an integer number (186347352).

Almost surely, 2^1304431422 is an apocalyptic number.

1304431422 is an abundant number, since it is smaller than the sum of its proper divisors (1677126210).

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

1304431422 is a wasteful number, since it uses less digits than its factorization.

1304431422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31057903.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 1304431422 is about 36116.9132401981. The cubic root of 1304431422 is about 1092.6315849516.

Adding to 1304431422 its reverse (2241344031), we get a palindrome (3545775453).

The spelling of 1304431422 in words is "one billion, three hundred four million, four hundred thirty-one thousand, four hundred twenty-two".