1341531321 has 16 divisors (see below), whose sum is σ = 1958953920. Its totient is φ = 811563840.

The previous prime is 1341531277. The next prime is 1341531341. The reversal of 1341531321 is 1231351431.

It is not a de Polignac number, because 1341531321 - 2²¹ = 1339434169 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1341531291 and 1341531300.

It is not an unprimeable number, because it can be changed into a prime (1341531341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 289210 + ... + 293811.

It is an arithmetic number, because the mean of its divisors is an integer number (122434620).

Almost surely, 2^1341531321 is an apocalyptic number.

It is an amenable number.

1341531321 is a deficient number, since it is larger than the sum of its proper divisors (617422599).

1341531321 is a wasteful number, since it uses less digits than its factorization.

1341531321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583096.

The product of its digits is 1080, while the sum is 24.

The square root of 1341531321 is about 36626.9207141414. The cubic root of 1341531321 is about 1102.8935720845.

Adding to 1341531321 its reverse (1231351431), we get a palindrome (2572882752).

The spelling of 1341531321 in words is "one billion, three hundred forty-one million, five hundred thirty-one thousand, three hundred twenty-one".