2031220102 has 4 divisors (see below), whose sum is σ = 3046830156. Its totient is φ = 1015610050.

The previous prime is 2031220063. The next prime is 2031220127. The reversal of 2031220102 is 2010221302.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 507805024 + ... + 507805027.

It is an arithmetic number, because the mean of its divisors is an integer number (761707539).

Almost surely, 2^2031220102 is an apocalyptic number.

2031220102 is a deficient number, since it is larger than the sum of its proper divisors (1015610054).

2031220102 is a wasteful number, since it uses less digits than its factorization.

2031220102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1015610053.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 2031220102 is about 45069.0592535500. The cubic root of 2031220102 is about 1266.4430411160.

Adding to 2031220102 its reverse (2010221302), we get a palindrome (4041441404).

The spelling of 2031220102 in words is "two billion, thirty-one million, two hundred twenty thousand, one hundred two".