1431303423345 has 12 divisors (see below), whose sum is σ = 2480925933876. Its totient is φ = 763361825760.

The previous prime is 1431303423343. The next prime is 1431303423349. The reversal of 1431303423345 is 5433243031341.

1431303423345 is a `hidden beast` number, since 1 + 4 + 3 + 1 + 303 + 4 + 2 + 3 + 345 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 210824232336 + 1220479191009 = 459156^2 + 1104753^2 .

It is not a de Polignac number, because 1431303423345 - 2¹ = 1431303423343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1431303423343) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15903371326 + ... + 15903371415.

It is an arithmetic number, because the mean of its divisors is an integer number (206743827823).

Almost surely, 2^{1431303423345} is an apocalyptic number.

1431303423345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1431303423345 is a deficient number, since it is larger than the sum of its proper divisors (1049622510531).

1431303423345 is a wasteful number, since it uses less digits than its factorization.

1431303423345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31806742752 (or 31806742749 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 36.

Adding to 1431303423345 its reverse (5433243031341), we get a palindrome (6864546454686).

The spelling of 1431303423345 in words is "one trillion, four hundred thirty-one billion, three hundred three million, four hundred twenty-three thousand, three hundred forty-five".