1381430017 has 12 divisors (see below), whose sum is σ = 1598351440. Its totient is φ = 1189746360.

The previous prime is 1381430003. The next prime is 1381430021. The reversal of 1381430017 is 7100341831.

It is a de Polignac number, because none of the positive numbers 2^k-1381430017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1381430077) 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, 298143 + ... + 302740.

Almost surely, 2^1381430017 is an apocalyptic number.

It is an amenable number.

1381430017 is a deficient number, since it is larger than the sum of its proper divisors (216921423).

1381430017 is a wasteful number, since it uses less digits than its factorization.

1381430017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600924 (or 600913 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 1381430017 is about 37167.5936401592. The cubic root of 1381430017 is about 1113.7207115196.

Adding to 1381430017 its reverse (7100341831), we get a palindrome (8481771848).

The spelling of 1381430017 in words is "one billion, three hundred eighty-one million, four hundred thirty thousand, seventeen".