1341585431 has 4 divisors (see below), whose sum is σ = 1341660000. Its totient is φ = 1341510864.

The previous prime is 1341585409. The next prime is 1341585439. The reversal of 1341585431 is 1345851431.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1345851431 = 37 ⋅36374363.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1341585431 is a prime.

It is a super-2 number, since 2×1341585431² = 3599702937342911522, 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 = 1341585391 and 1341585400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1341585439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8195 + ... + 52443.

It is an arithmetic number, because the mean of its divisors is an integer number (335415000).

Almost surely, 2^1341585431 is an apocalyptic number.

1341585431 is a deficient number, since it is larger than the sum of its proper divisors (74569).

1341585431 is an equidigital number, since it uses as much as digits as its factorization.

1341585431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74568.

The product of its digits is 28800, while the sum is 35.

The square root of 1341585431 is about 36627.6593710272. The cubic root of 1341585431 is about 1102.9084001068.

The spelling of 1341585431 in words is "one billion, three hundred forty-one million, five hundred eighty-five thousand, four hundred thirty-one".