2031220413 has 24 divisors (see below), whose sum is σ = 3144306048. Its totient is φ = 1260258912.

The previous prime is 2031220397. The next prime is 2031220417. The reversal of 2031220413 is 3140221302.

2031220413 is a `hidden beast` number, since 2 + 0 + 31 + 220 + 413 = 666.

It is not a de Polignac number, because 2031220413 - 2⁴ = 2031220397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2031220417) 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, 124945 + ... + 140262.

It is an arithmetic number, because the mean of its divisors is an integer number (131012752).

Almost surely, 2^2031220413 is an apocalyptic number.

2031220413 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2031220413 is a deficient number, since it is larger than the sum of its proper divisors (1113085635).

2031220413 is a wasteful number, since it uses less digits than its factorization.

2031220413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265273 (or 265270 counting only the distinct ones).

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

The square root of 2031220413 is about 45069.0627038105. The cubic root of 2031220413 is about 1266.4431057511.

Adding to 2031220413 its reverse (3140221302), we get a palindrome (5171441715).

The spelling of 2031220413 in words is "two billion, thirty-one million, two hundred twenty thousand, four hundred thirteen".