1346420531 has 2 divisors, whose sum is σ = 1346420532. Its totient is φ = 1346420530.

The previous prime is 1346420513. The next prime is 1346420563. The reversal of 1346420531 is 1350246431.

Together with previous prime (1346420513) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is an emirp because it is prime and its reverse (1350246431) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1346420531 is a prime.

It is a super-2 number, since 2×1346420531² = 3625696492596643922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1346420494 and 1346420503.

It is not a weakly prime, because it can be changed into another prime (1346420501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 673210265 + 673210266.

It is an arithmetic number, because the mean of its divisors is an integer number (673210266).

Almost surely, 2^1346420531 is an apocalyptic number.

1346420531 is a deficient number, since it is larger than the sum of its proper divisors (1).

1346420531 is an equidigital number, since it uses as much as digits as its factorization.

1346420531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 1346420531 is about 36693.6034071335. The cubic root of 1346420531 is about 1104.2317793283.

Adding to 1346420531 its reverse (1350246431), we get a palindrome (2696666962).

The spelling of 1346420531 in words is "one billion, three hundred forty-six million, four hundred twenty thousand, five hundred thirty-one".