1431300420 has 144 divisors (see below), whose sum is σ = 4747474368. Its totient is φ = 346164480.

The previous prime is 1431300413. The next prime is 1431300421. The reversal of 1431300420 is 240031341.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1431300393 and 1431300402.

It is not an unprimeable number, because it can be changed into a prime (1431300421) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1577607 + ... + 1578513.

It is an arithmetic number, because the mean of its divisors is an integer number (32968572).

Almost surely, 2^1431300420 is an apocalyptic number.

1431300420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1431300420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2373737184).

1431300420 is an abundant number, since it is smaller than the sum of its proper divisors (3316173948).

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

1431300420 is a wasteful number, since it uses less digits than its factorization.

1431300420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1730 (or 1725 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1431300420 is about 37832.5312396620. The cubic root of 1431300420 is about 1126.9645791249.

Adding to 1431300420 its reverse (240031341), we get a palindrome (1671331761).

The spelling of 1431300420 in words is "one billion, four hundred thirty-one million, three hundred thousand, four hundred twenty".