20133013031 has 8 divisors (see below), whose sum is σ = 20549817600. Its totient is φ = 19718727480.

The previous prime is 20133012989. The next prime is 20133013037. The reversal of 20133013031 is 13031033102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20133013031 - 2⁶ = 20133012967 is a prime.

It is a super-2 number, since 2×20133013031² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20133013037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 613601 + ... + 645578.

It is an arithmetic number, because the mean of its divisors is an integer number (2568727200).

Almost surely, 2^20133013031 is an apocalyptic number.

20133013031 is a deficient number, since it is larger than the sum of its proper divisors (416804569).

20133013031 is a wasteful number, since it uses less digits than its factorization.

20133013031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1259509.

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

Adding to 20133013031 its reverse (13031033102), we get a palindrome (33164046133).

The spelling of 20133013031 in words is "twenty billion, one hundred thirty-three million, thirteen thousand, thirty-one".