1231102341 has 32 divisors (see below), whose sum is σ = 2132894720. Its totient is φ = 687122352.

The previous prime is 1231102339. The next prime is 1231102357. The reversal of 1231102341 is 1432011321.

1231102341 is a `hidden beast` number, since 12 + 311 + 0 + 2 + 341 = 666.

It is not a de Polignac number, because 1231102341 - 2¹ = 1231102339 is a prime.

It is a super-2 number, since 2×1231102341² = 3031225948031360562, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231102331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67615 + ... + 83868.

It is an arithmetic number, because the mean of its divisors is an integer number (66652960).

Almost surely, 2^1231102341 is an apocalyptic number.

It is an amenable number.

1231102341 is a deficient number, since it is larger than the sum of its proper divisors (901792379).

1231102341 is a wasteful number, since it uses less digits than its factorization.

1231102341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151542 (or 151536 counting only the distinct ones).

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

The square root of 1231102341 is about 35087.0680023282. The cubic root of 1231102341 is about 1071.7612536960.

Adding to 1231102341 its reverse (1432011321), we get a palindrome (2663113662).

The spelling of 1231102341 in words is "one billion, two hundred thirty-one million, one hundred two thousand, three hundred forty-one".