3123211122231 has 16 divisors (see below), whose sum is σ = 4476719193600. Its totient is φ = 1930585148928.

The previous prime is 3123211122173. The next prime is 3123211122257. The reversal of 3123211122231 is 1322211123213.

It is not a de Polignac number, because 3123211122231 - 2⁷ = 3123211122103 is a prime.

It is a super-2 number, since 2×3123211122231² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3123211122331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 582903466 + ... + 582908823.

It is an arithmetic number, because the mean of its divisors is an integer number (279794949600).

Almost surely, 2^{3123211122231} is an apocalyptic number.

3123211122231 is a deficient number, since it is larger than the sum of its proper divisors (1353508071369).

3123211122231 is a wasteful number, since it uses less digits than its factorization.

3123211122231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1165812358.

The product of its digits is 864, while the sum is 24.

Adding to 3123211122231 its reverse (1322211123213), we get a palindrome (4445422245444).

The spelling of 3123211122231 in words is "three trillion, one hundred twenty-three billion, two hundred eleven million, one hundred twenty-two thousand, two hundred thirty-one".