31223202130211 has 48 divisors (see below), whose sum is σ = 40088871291168. Its totient is φ = 24089460595200.

The previous prime is 31223202130193. The next prime is 31223202130249. The reversal of 31223202130211 is 11203120232213.

It is not a de Polignac number, because 31223202130211 - 2¹⁰ = 31223202129187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31223202130111) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 52013921 + ... + 52610781.

It is an arithmetic number, because the mean of its divisors is an integer number (835184818566).

Almost surely, 2^{31223202130211} is an apocalyptic number.

31223202130211 is a deficient number, since it is larger than the sum of its proper divisors (8865669160957).

31223202130211 is a wasteful number, since it uses less digits than its factorization.

31223202130211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 598932 (or 598925 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 31223202130211 its reverse (11203120232213), we get a palindrome (42426322362424).

The spelling of 31223202130211 in words is "thirty-one trillion, two hundred twenty-three billion, two hundred two million, one hundred thirty thousand, two hundred eleven".