20134310331 has 16 divisors (see below), whose sum is σ = 28027872000. Its totient is φ = 12832432800.

The previous prime is 20134310309. The next prime is 20134310347. The reversal of 20134310331 is 13301343102.

It is not a de Polignac number, because 20134310331 - 2¹⁵ = 20134277563 is a prime.

It is a super-2 number, since 2×20134310331² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20134310298 and 20134310307.

It is not an unprimeable number, because it can be changed into a prime (20134110331) 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, 54420 + ... + 207918.

It is an arithmetic number, because the mean of its divisors is an integer number (1751742000).

Almost surely, 2^20134310331 is an apocalyptic number.

20134310331 is a deficient number, since it is larger than the sum of its proper divisors (7893561669).

20134310331 is a wasteful number, since it uses less digits than its factorization.

20134310331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155426.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 20134310331 its reverse (13301343102), we get a palindrome (33435653433).

The spelling of 20134310331 in words is "twenty billion, one hundred thirty-four million, three hundred ten thousand, three hundred thirty-one".