20131034331 has 8 divisors (see below), whose sum is σ = 26843375104. Its totient is φ = 13419691560.

The previous prime is 20131034323. The next prime is 20131034387. The reversal of 20131034331 is 13343013102.

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

It is not a de Polignac number, because 20131034331 - 2³ = 20131034323 is a prime.

It is a super-2 number, since 2×20131034331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20131034298 and 20131034307.

It is not an unprimeable number, because it can be changed into a prime (20131014331) 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, 201091 + ... + 284076.

It is an arithmetic number, because the mean of its divisors is an integer number (3355421888).

Almost surely, 2^20131034331 is an apocalyptic number.

20131034331 is a deficient number, since it is larger than the sum of its proper divisors (6712340773).

20131034331 is a wasteful number, since it uses less digits than its factorization.

20131034331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499001.

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

Adding to 20131034331 its reverse (13343013102), we get a palindrome (33474047433).

It can be divided in two parts, 201310 and 34331, that added together give a triangular number (235641 = T₆₈₆).

The spelling of 20131034331 in words is "twenty billion, one hundred thirty-one million, thirty-four thousand, three hundred thirty-one".