2031211022 has 4 divisors (see below), whose sum is σ = 3046816536. Its totient is φ = 1015605510.

The previous prime is 2031211019. The next prime is 2031211027. The reversal of 2031211022 is 2201121302.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 2031210988 and 2031211006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2031211027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 507802754 + ... + 507802757.

It is an arithmetic number, because the mean of its divisors is an integer number (761704134).

Almost surely, 2^2031211022 is an apocalyptic number.

2031211022 is a deficient number, since it is larger than the sum of its proper divisors (1015605514).

2031211022 is a wasteful number, since it uses less digits than its factorization.

2031211022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1015605513.

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

The square root of 2031211022 is about 45068.9585191404. The cubic root of 2031211022 is about 1266.4411540204.

Adding to 2031211022 its reverse (2201121302), we get a palindrome (4232332324).

The spelling of 2031211022 in words is "two billion, thirty-one million, two hundred eleven thousand, twenty-two".