2131203424 has 48 divisors (see below), whose sum is σ = 4842736416. Its totient is φ = 904320000.

The previous prime is 2131203413. The next prime is 2131203427. The reversal of 2131203424 is 4243021312.

It is a junction number, because it is equal to n+sod(n) for n = 2131203395 and 2131203404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131203427) 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, 24477 + ... + 69724.

It is an arithmetic number, because the mean of its divisors is an integer number (100890342).

Almost surely, 2^2131203424 is an apocalyptic number.

It is an amenable number.

2131203424 is an abundant number, since it is smaller than the sum of its proper divisors (2711532992).

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

2131203424 is a wasteful number, since it uses less digits than its factorization.

2131203424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94319 (or 94311 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 2131203424 is about 46164.9588324305. The cubic root of 2131203424 is about 1286.8906191410.

Adding to 2131203424 its reverse (4243021312), we get a palindrome (6374224736).

The spelling of 2131203424 in words is "two billion, one hundred thirty-one million, two hundred three thousand, four hundred twenty-four".