2231020413 has 24 divisors (see below), whose sum is σ = 3483885600. Its totient is φ = 1370978784.

The previous prime is 2231020409. The next prime is 2231020423. The reversal of 2231020413 is 3140201322.

2231020413 is a `hidden beast` number, since 2 + 231 + 0 + 20 + 413 = 666.

It is not a de Polignac number, because 2231020413 - 2² = 2231020409 is a prime.

It is a super-3 number, since 3×2231020413³ (a number of 29 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2231020403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 169983 + ... + 182636.

It is an arithmetic number, because the mean of its divisors is an integer number (145161900).

Almost surely, 2^2231020413 is an apocalyptic number.

It is an amenable number.

2231020413 is a deficient number, since it is larger than the sum of its proper divisors (1252865187).

2231020413 is a wasteful number, since it uses less digits than its factorization.

2231020413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352681 (or 352678 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2231020413 is about 47233.6788001951. The cubic root of 2231020413 is about 1306.6758001742.

Adding to 2231020413 its reverse (3140201322), we get a palindrome (5371221735).

The spelling of 2231020413 in words is "two billion, two hundred thirty-one million, twenty thousand, four hundred thirteen".