20134311331 has 8 divisors (see below), whose sum is σ = 20188198800. Its totient is φ = 20080452480.

The previous prime is 20134311293. The next prime is 20134311359. The reversal of 20134311331 is 13311343102.

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

It is a cyclic number.

It is not a de Polignac number, because 20134311331 - 2¹⁷ = 20134180259 is a prime.

It is a super-2 number, since 2×20134311331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20134311931) 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, 2728615 + ... + 2735983.

It is an arithmetic number, because the mean of its divisors is an integer number (2523524850).

Almost surely, 2^20134311331 is an apocalyptic number.

20134311331 is a deficient number, since it is larger than the sum of its proper divisors (53887469).

20134311331 is an equidigital number, since it uses as much as digits as its factorization.

20134311331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14309.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 20134311331 its reverse (13311343102), we get a palindrome (33445654433).

The spelling of 20134311331 in words is "twenty billion, one hundred thirty-four million, three hundred eleven thousand, three hundred thirty-one".