1031221341 has 16 divisors (see below), whose sum is σ = 1536573120. Its totient is φ = 683503920.

The previous prime is 1031221337. The next prime is 1031221369. The reversal of 1031221341 is 1431221301.

1031221341 is a `hidden beast` number, since 10 + 312 + 2 + 1 + 341 = 666.

It is not a de Polignac number, because 1031221341 - 2² = 1031221337 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031221391) 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, 105715 + ... + 115056.

It is an arithmetic number, because the mean of its divisors is an integer number (96035820).

Almost surely, 2^1031221341 is an apocalyptic number.

It is an amenable number.

1031221341 is a deficient number, since it is larger than the sum of its proper divisors (505351779).

1031221341 is a wasteful number, since it uses less digits than its factorization.

1031221341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220953 (or 220947 counting only the distinct ones).

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

The square root of 1031221341 is about 32112.6352235378. The cubic root of 1031221341 is about 1010.3006460468.

Adding to 1031221341 its reverse (1431221301), we get a palindrome (2462442642).

The spelling of 1031221341 in words is "one billion, thirty-one million, two hundred twenty-one thousand, three hundred forty-one".