2031212130 has 16 divisors (see below), whose sum is σ = 4874909184. Its totient is φ = 541656560.

The previous prime is 2031212129. The next prime is 2031212257. The reversal of 2031212130 is 312121302.

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33853506 + ... + 33853565.

It is an arithmetic number, because the mean of its divisors is an integer number (304681824).

Almost surely, 2^2031212130 is an apocalyptic number.

2031212130 is an abundant number, since it is smaller than the sum of its proper divisors (2843697054).

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

2031212130 is a wasteful number, since it uses less digits than its factorization.

2031212130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67707081.

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

The square root of 2031212130 is about 45068.9708114130. The cubic root of 2031212130 is about 1266.4413842962.

Adding to 2031212130 its reverse (312121302), we get a palindrome (2343333432).

The spelling of 2031212130 in words is "two billion, thirty-one million, two hundred twelve thousand, one hundred thirty".