2002212131 has 4 divisors (see below), whose sum is σ = 2003781312. Its totient is φ = 2000642952.

The previous prime is 2002212109. The next prime is 2002212143. The reversal of 2002212131 is 1312122002.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2002212131 is a prime.

It is a super-2 number, since 2×2002212131² = 8017706835047122322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2002212151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 782675 + ... + 785228.

It is an arithmetic number, because the mean of its divisors is an integer number (500945328).

Almost surely, 2^2002212131 is an apocalyptic number.

2002212131 is a deficient number, since it is larger than the sum of its proper divisors (1569181).

2002212131 is a wasteful number, since it uses less digits than its factorization.

2002212131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1569180.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 2002212131 is about 44746.0850913239. The cubic root of 2002212131 is about 1260.3853971394.

Adding to 2002212131 its reverse (1312122002), we get a palindrome (3314334133).

The spelling of 2002212131 in words is "two billion, two million, two hundred twelve thousand, one hundred thirty-one".