1314421531 has 2 divisors, whose sum is σ = 1314421532. Its totient is φ = 1314421530.

The previous prime is 1314421447. The next prime is 1314421543. The reversal of 1314421531 is 1351244131.

It is a strong prime.

It is an emirp because it is prime and its reverse (1351244131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1314421531 - 2⁷ = 1314421403 is a prime.

It is a super-2 number, since 2×1314421531² = 3455407922312767922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1314421496 and 1314421505.

It is not a weakly prime, because it can be changed into another prime (1314422531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 657210765 + 657210766.

It is an arithmetic number, because the mean of its divisors is an integer number (657210766).

Almost surely, 2^1314421531 is an apocalyptic number.

1314421531 is a deficient number, since it is larger than the sum of its proper divisors (1).

1314421531 is an equidigital number, since it uses as much as digits as its factorization.

1314421531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1440, while the sum is 25.

The square root of 1314421531 is about 36254.9518135109. The cubic root of 1314421531 is about 1095.4138343915.

Adding to 1314421531 its reverse (1351244131), we get a palindrome (2665665662).

The spelling of 1314421531 in words is "one billion, three hundred fourteen million, four hundred twenty-one thousand, five hundred thirty-one".