1021312341 has 32 divisors (see below), whose sum is σ = 1764512000. Its totient is φ = 583601760.

The previous prime is 1021312333. The next prime is 1021312367. The reversal of 1021312341 is 1432131201.

1021312341 is a `hidden beast` number, since 10 + 2 + 1 + 312 + 341 = 666.

It is not a de Polignac number, because 1021312341 - 2³ = 1021312333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021312141) 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, 45880 + ... + 64401.

It is an arithmetic number, because the mean of its divisors is an integer number (55141000).

Almost surely, 2^1021312341 is an apocalyptic number.

It is an amenable number.

1021312341 is a deficient number, since it is larger than the sum of its proper divisors (743199659).

1021312341 is an equidigital number, since it uses as much as digits as its factorization.

1021312341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110311 (or 110291 counting only the distinct ones).

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

The square root of 1021312341 is about 31957.9777363963. The cubic root of 1021312341 is about 1007.0542344318.

Adding to 1021312341 its reverse (1432131201), we get a palindrome (2453443542).

The spelling of 1021312341 in words is "one billion, twenty-one million, three hundred twelve thousand, three hundred forty-one".