1431420404 has 24 divisors (see below), whose sum is σ = 2640956640. Its totient is φ = 676979424.

The previous prime is 1431420371. The next prime is 1431420409. The reversal of 1431420404 is 4040241341.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1431420404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1431420409) 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, 35207 + ... + 64049.

It is an arithmetic number, because the mean of its divisors is an integer number (110039860).

Almost surely, 2^1431420404 is an apocalyptic number.

It is an amenable number.

1431420404 is a deficient number, since it is larger than the sum of its proper divisors (1209536236).

1431420404 is a wasteful number, since it uses less digits than its factorization.

1431420404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29519 (or 29517 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 1431420404 is about 37834.1169316795. The cubic root of 1431420404 is about 1126.9960688895.

Adding to 1431420404 its reverse (4040241341), we get a palindrome (5471661745).

The spelling of 1431420404 in words is "one billion, four hundred thirty-one million, four hundred twenty thousand, four hundred four".