20030131133 has 16 divisors (see below), whose sum is σ = 21090792960. Its totient is φ = 18996163200.

The previous prime is 20030131111. The next prime is 20030131181. The reversal of 20030131133 is 33113103002.

It is a cyclic number.

It is not a de Polignac number, because 20030131133 - 2¹² = 20030127037 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 (20030131183) 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, 540041 + ... + 575937.

It is an arithmetic number, because the mean of its divisors is an integer number (1318174560).

Almost surely, 2^20030131133 is an apocalyptic number.

It is an amenable number.

20030131133 is a deficient number, since it is larger than the sum of its proper divisors (1060661827).

20030131133 is a wasteful number, since it uses less digits than its factorization.

20030131133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36268.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 20030131133 its reverse (33113103002), we get a palindrome (53143234135).

The spelling of 20030131133 in words is "twenty billion, thirty million, one hundred thirty-one thousand, one hundred thirty-three".