1371431441 has 2 divisors, whose sum is σ = 1371431442. Its totient is φ = 1371431440.

The previous prime is 1371431423. The next prime is 1371431483. The reversal of 1371431441 is 1441341731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1003559041 + 367872400 = 31679^2 + 19180^2 .

It is a cyclic number.

It is not a de Polignac number, because 1371431441 - 2¹⁸ = 1371169297 is a prime.

It is not a weakly prime, because it can be changed into another prime (1371439441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 685715720 + 685715721.

It is an arithmetic number, because the mean of its divisors is an integer number (685715721).

Almost surely, 2^1371431441 is an apocalyptic number.

It is an amenable number.

1371431441 is a deficient number, since it is larger than the sum of its proper divisors (1).

1371431441 is an equidigital number, since it uses as much as digits as its factorization.

1371431441 is an evil number, because the sum of its binary digits is even.

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

The square root of 1371431441 is about 37032.8427345242. The cubic root of 1371431441 is about 1111.0272234775.

The spelling of 1371431441 in words is "one billion, three hundred seventy-one million, four hundred thirty-one thousand, four hundred forty-one".