1431014121 has 24 divisors (see below), whose sum is σ = 2151254560. Its totient is φ = 950592672.

The previous prime is 1431014119. The next prime is 1431014147. The reversal of 1431014121 is 1214101341.

It is not a de Polignac number, because 1431014121 - 2¹ = 1431014119 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1431014094 and 1431014103.

It is not an unprimeable number, because it can be changed into a prime (1431014171) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58365 + ... + 79173.

Almost surely, 2^1431014121 is an apocalyptic number.

It is an amenable number.

1431014121 is a deficient number, since it is larger than the sum of its proper divisors (720240439).

1431014121 is an equidigital number, since it uses as much as digits as its factorization.

1431014121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21107 (or 21095 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 1431014121 is about 37828.7472829857. The cubic root of 1431014121 is about 1126.8894329286.

Adding to 1431014121 its reverse (1214101341), we get a palindrome (2645115462).

The spelling of 1431014121 in words is "one billion, four hundred thirty-one million, fourteen thousand, one hundred twenty-one".