1431412411421 has 2 divisors, whose sum is σ = 1431412411422. Its totient is φ = 1431412411420.

The previous prime is 1431412411397. The next prime is 1431412411439. The reversal of 1431412411421 is 1241142141341.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1431346639321 + 65772100 = 1196389^2 + 8110^2 .

It is a cyclic number.

It is not a de Polignac number, because 1431412411421 - 2¹⁰ = 1431412410397 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1431412411621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 715706205710 + 715706205711.

It is an arithmetic number, because the mean of its divisors is an integer number (715706205711).

Almost surely, 2^{1431412411421} is an apocalyptic number.

It is an amenable number.

1431412411421 is a deficient number, since it is larger than the sum of its proper divisors (1).

1431412411421 is an equidigital number, since it uses as much as digits as its factorization.

1431412411421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3072, while the sum is 29.

Adding to 1431412411421 its reverse (1241142141341), we get a palindrome (2672554552762).

The spelling of 1431412411421 in words is "one trillion, four hundred thirty-one billion, four hundred twelve million, four hundred eleven thousand, four hundred twenty-one".