2031212430 has 64 divisors (see below), whose sum is σ = 5833235520. Its totient is φ = 499989888.

The previous prime is 2031212429. The next prime is 2031212453. The reversal of 2031212430 is 342121302.

2031212430 is a `hidden beast` number, since 20 + 3 + 1 + 212 + 430 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 285837 + ... + 292856.

It is an arithmetic number, because the mean of its divisors is an integer number (91144305).

Almost surely, 2^2031212430 is an apocalyptic number.

2031212430 is an abundant number, since it is smaller than the sum of its proper divisors (3802023090).

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

2031212430 is a wasteful number, since it uses less digits than its factorization.

2031212430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578722 (or 578716 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2031212430 is about 45068.9741396451. The cubic root of 2031212430 is about 1266.4414466453.

Adding to 2031212430 its reverse (342121302), we get a palindrome (2373333732).

The spelling of 2031212430 in words is "two billion, thirty-one million, two hundred twelve thousand, four hundred thirty".