1341320431 has 8 divisors (see below), whose sum is σ = 1510460928. Its totient is φ = 1180047000.

The previous prime is 1341320419. The next prime is 1341320437. The reversal of 1341320431 is 1340231431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1341320431 - 2⁷ = 1341320303 is a prime.

It is a super-2 number, since 2×1341320431² = 3598280997236051522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1341320437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1966405 + ... + 1967086.

It is an arithmetic number, because the mean of its divisors is an integer number (188807616).

Almost surely, 2^1341320431 is an apocalyptic number.

1341320431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1341320431 is a deficient number, since it is larger than the sum of its proper divisors (169140497).

1341320431 is a wasteful number, since it uses less digits than its factorization.

1341320431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3933533.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 1341320431 is about 36624.0417075997. The cubic root of 1341320431 is about 1102.8357770830.

Adding to 1341320431 its reverse (1340231431), we get a palindrome (2681551862).

The spelling of 1341320431 in words is "one billion, three hundred forty-one million, three hundred twenty thousand, four hundred thirty-one".