2031121330 has 16 divisors (see below), whose sum is σ = 4178306880. Its totient is φ = 696384432.

The previous prime is 2031121319. The next prime is 2031121349. The reversal of 2031121330 is 331211302.

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, 14507940 + ... + 14508079.

It is an arithmetic number, because the mean of its divisors is an integer number (261144180).

Almost surely, 2^2031121330 is an apocalyptic number.

2031121330 is an abundant number, since it is smaller than the sum of its proper divisors (2147185550).

2031121330 is a wasteful number, since it uses less digits than its factorization.

2031121330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29016033.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 2031121330 is about 45067.9634552084. The cubic root of 2031121330 is about 1266.4225130371.

Adding to 2031121330 its reverse (331211302), we get a palindrome (2362332632).

The spelling of 2031121330 in words is "two billion, thirty-one million, one hundred twenty-one thousand, three hundred thirty".