2031021102 has 16 divisors (see below), whose sum is σ = 4431318912. Its totient is φ = 615460920.

The previous prime is 2031021077. The next prime is 2031021103. The reversal of 2031021102 is 2011201302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2031021103) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 15386458 + ... + 15386589.

It is an arithmetic number, because the mean of its divisors is an integer number (276957432).

Almost surely, 2^2031021102 is an apocalyptic number.

2031021102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2031021102 is an abundant number, since it is smaller than the sum of its proper divisors (2400297810).

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

2031021102 is a wasteful number, since it uses less digits than its factorization.

2031021102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30773063.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 2031021102 is about 45066.8514764455. The cubic root of 2031021102 is about 1266.4016816731.

Adding to 2031021102 its reverse (2011201302), we get a palindrome (4042222404).

The spelling of 2031021102 in words is "two billion, thirty-one million, twenty-one thousand, one hundred two".