1431134421 has 8 divisors (see below), whose sum is σ = 1920986400. Its totient is φ = 947686032.

The previous prime is 1431134407. The next prime is 1431134449. The reversal of 1431134421 is 1244311341.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1431134421 - 2⁹ = 1431133909 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1431134391 and 1431134400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1431134821) 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, 1600375 + ... + 1601268.

It is an arithmetic number, because the mean of its divisors is an integer number (240123300).

Almost surely, 2^1431134421 is an apocalyptic number.

It is an amenable number.

1431134421 is a deficient number, since it is larger than the sum of its proper divisors (489851979).

1431134421 is a wasteful number, since it uses less digits than its factorization.

1431134421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3201795.

The product of its digits is 1152, while the sum is 24.

The square root of 1431134421 is about 37830.3373101536. The cubic root of 1431134421 is about 1126.9210098357.

Adding to 1431134421 its reverse (1244311341), we get a palindrome (2675445762).

The spelling of 1431134421 in words is "one billion, four hundred thirty-one million, one hundred thirty-four thousand, four hundred twenty-one".