1431514421 has 8 divisors (see below), whose sum is σ = 1443868800. Its totient is φ = 1419181920.

The previous prime is 1431514417. The next prime is 1431514433. The reversal of 1431514421 is 1244151341.

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

It is a cyclic number.

It is not a de Polignac number, because 1431514421 - 2² = 1431514417 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1431414421) 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, 143060 + ... + 152738.

It is an arithmetic number, because the mean of its divisors is an integer number (180483600).

Almost surely, 2^1431514421 is an apocalyptic number.

It is an amenable number.

1431514421 is a deficient number, since it is larger than the sum of its proper divisors (12354379).

1431514421 is a wasteful number, since it uses less digits than its factorization.

1431514421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10939.

The product of its digits is 1920, while the sum is 26.

The square root of 1431514421 is about 37835.3594009625. The cubic root of 1431514421 is about 1127.0207423932.

Adding to 1431514421 its reverse (1244151341), we get a palindrome (2675665762).

The spelling of 1431514421 in words is "one billion, four hundred thirty-one million, five hundred fourteen thousand, four hundred twenty-one".