2031323292 has 96 divisors (see below), whose sum is σ = 5516098560. Its totient is φ = 645226560.

The previous prime is 2031323291. The next prime is 2031323293. The reversal of 2031323292 is 2923231302.

2031323292 is a `hidden beast` number, since 20 + 31 + 323 + 292 = 666.

It is an interprime number because it is at equal distance from previous prime (2031323291) and next prime (2031323293).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2031323291) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 726417 + ... + 729207.

It is an arithmetic number, because the mean of its divisors is an integer number (57459360).

Almost surely, 2^2031323292 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2031323292, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2758049280).

2031323292 is an abundant number, since it is smaller than the sum of its proper divisors (3484775268).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2031323292 is a wasteful number, since it uses less digits than its factorization.

2031323292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3120 (or 3112 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 2031323292 is about 45070.2040377010. The cubic root of 2031323292 is about 1266.4644866903.

Adding to 2031323292 its reverse (2923231302), we get a palindrome (4954554594).

The spelling of 2031323292 in words is "two billion, thirty-one million, three hundred twenty-three thousand, two hundred ninety-two".