20030211331 has 32 divisors (see below), whose sum is σ = 23450772800. Its totient is φ = 16947325440.

The previous prime is 20030211317. The next prime is 20030211353. The reversal of 20030211331 is 13311203002.

It is a cyclic number.

It is not a de Polignac number, because 20030211331 - 2²⁷ = 19895993603 is a prime.

It is a super-2 number, since 2×20030211331² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20030211031) 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, 1648105 + ... + 1660213.

It is an arithmetic number, because the mean of its divisors is an integer number (732836650).

Almost surely, 2^20030211331 is an apocalyptic number.

20030211331 is a deficient number, since it is larger than the sum of its proper divisors (3420561469).

20030211331 is a wasteful number, since it uses less digits than its factorization.

20030211331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12359.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 20030211331 its reverse (13311203002), we get a palindrome (33341414333).

It can be divided in two parts, 20030 and 211331, that added together give a square (231361 = 481²).

The spelling of 20030211331 in words is "twenty billion, thirty million, two hundred eleven thousand, three hundred thirty-one".