1431120441 has 4 divisors (see below), whose sum is σ = 1908160592. Its totient is φ = 954080292.

The previous prime is 1431120433. The next prime is 1431120491. The reversal of 1431120441 is 1440211341.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1431120441 - 2³ = 1431120433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1431120491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 238520071 + ... + 238520076.

It is an arithmetic number, because the mean of its divisors is an integer number (477040148).

Almost surely, 2^1431120441 is an apocalyptic number.

It is an amenable number.

1431120441 is a deficient number, since it is larger than the sum of its proper divisors (477040151).

1431120441 is an equidigital number, since it uses as much as digits as its factorization.

1431120441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477040150.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 1431120441 is about 37830.1525373610. The cubic root of 1431120441 is about 1126.9173403908.

Adding to 1431120441 its reverse (1440211341), we get a palindrome (2871331782).

The spelling of 1431120441 in words is "one billion, four hundred thirty-one million, one hundred twenty thousand, four hundred forty-one".