1341021231 has 32 divisors (see below), whose sum is σ = 2173616640. Its totient is φ = 810374400.

The previous prime is 1341021203. The next prime is 1341021239. The reversal of 1341021231 is 1321201431.

1341021231 is a `hidden beast` number, since 1 + 3 + 410 + 21 + 231 = 666.

It is not a de Polignac number, because 1341021231 - 2⁶ = 1341021167 is a prime.

It is a super-2 number, since 2×1341021231² = 3596675883985510722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1341021239) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 98446 + ... + 111236.

It is an arithmetic number, because the mean of its divisors is an integer number (67925520).

Almost surely, 2^1341021231 is an apocalyptic number.

1341021231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1341021231 is a deficient number, since it is larger than the sum of its proper divisors (832595409).

1341021231 is a wasteful number, since it uses less digits than its factorization.

1341021231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13164 (or 13158 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1341021231 is about 36619.9567312688. The cubic root of 1341021231 is about 1102.7537700809.

Adding to 1341021231 its reverse (1321201431), we get a palindrome (2662222662).

The spelling of 1341021231 in words is "one billion, three hundred forty-one million, twenty-one thousand, two hundred thirty-one".