1341566531 has 4 divisors (see below), whose sum is σ = 1341813000. Its totient is φ = 1341320064.

The previous prime is 1341566521. The next prime is 1341566561. The reversal of 1341566531 is 1356651431.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1341566531 - 2⁶ = 1341566467 is a prime.

It is a super-2 number, since 2×1341566531² = 3599601514198747922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1341566491 and 1341566500.

It is not an unprimeable number, because it can be changed into a prime (1341566521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114881 + ... + 126018.

It is an arithmetic number, because the mean of its divisors is an integer number (335453250).

Almost surely, 2^1341566531 is an apocalyptic number.

1341566531 is a deficient number, since it is larger than the sum of its proper divisors (246469).

1341566531 is an equidigital number, since it uses as much as digits as its factorization.

1341566531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246468.

The product of its digits is 32400, while the sum is 35.

The square root of 1341566531 is about 36627.4013683745. The cubic root of 1341566531 is about 1102.9032208946.

The spelling of 1341566531 in words is "one billion, three hundred forty-one million, five hundred sixty-six thousand, five hundred thirty-one".