2131012230 has 64 divisors (see below), whose sum is σ = 5287735296. Its totient is φ = 549072000.

The previous prime is 2131012229. The next prime is 2131012243. The reversal of 2131012230 is 322101312.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 762135 + ... + 764925.

It is an arithmetic number, because the mean of its divisors is an integer number (82620864).

Almost surely, 2^2131012230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2131012230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2643867648).

2131012230 is an abundant number, since it is smaller than the sum of its proper divisors (3156723066).

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

2131012230 is a wasteful number, since it uses less digits than its factorization.

2131012230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3653.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2131012230 is about 46162.8880162409. Note that the first 3 decimals coincide. The cubic root of 2131012230 is about 1286.8521349180.

Adding to 2131012230 its reverse (322101312), we get a palindrome (2453113542).

The spelling of 2131012230 in words is "two billion, one hundred thirty-one million, twelve thousand, two hundred thirty".