1441431731 has 2 divisors, whose sum is σ = 1441431732. Its totient is φ = 1441431730.

The previous prime is 1441431697. The next prime is 1441431779. The reversal of 1441431731 is 1371341441.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1441431731 - 2¹⁰ = 1441430707 is a prime.

It is a super-2 number, since 2×1441431731² = 4155450870267312722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1441431694 and 1441431703.

It is not a weakly prime, because it can be changed into another prime (1441431031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 720715865 + 720715866.

It is an arithmetic number, because the mean of its divisors is an integer number (720715866).

Almost surely, 2^1441431731 is an apocalyptic number.

1441431731 is a deficient number, since it is larger than the sum of its proper divisors (1).

1441431731 is an equidigital number, since it uses as much as digits as its factorization.

1441431731 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4032, while the sum is 29.

The square root of 1441431731 is about 37966.1919475736. The cubic root of 1441431731 is about 1129.6173635952.

The spelling of 1441431731 in words is "one billion, four hundred forty-one million, four hundred thirty-one thousand, seven hundred thirty-one".