2131055430 has 64 divisors (see below), whose sum is σ = 6046755840. Its totient is φ = 470300544.

The previous prime is 2131055419. The next prime is 2131055431. The reversal of 2131055430 is 345501312.

It is a self number, because there is not a number n which added to its sum of digits gives 2131055430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131055431) 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, 168874 + ... + 181053.

It is an arithmetic number, because the mean of its divisors is an integer number (94480560).

Almost surely, 2^2131055430 is an apocalyptic number.

2131055430 is an abundant number, since it is smaller than the sum of its proper divisors (3915700410).

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

2131055430 is a wasteful number, since it uses less digits than its factorization.

2131055430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349973.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 2131055430 is about 46163.3559222031. The cubic root of 2131055430 is about 1286.8608305722.

Adding to 2131055430 its reverse (345501312), we get a palindrome (2476556742).

The spelling of 2131055430 in words is "two billion, one hundred thirty-one million, fifty-five thousand, four hundred thirty".