331122222201131 has 4 divisors (see below), whose sum is σ = 331126817810112. Its totient is φ = 331117626592152.

The previous prime is 331122222201107. The next prime is 331122222201143. The reversal of 331122222201131 is 131102222221133.

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-331122222201131 is a prime.

It is a super-2 number, since 2×331122222201131² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 331122222201131.

It is not an unprimeable number, because it can be changed into a prime (331122222201101) 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, 2297696411 + ... + 2297840516.

It is an arithmetic number, because the mean of its divisors is an integer number (82781704452528).

Almost surely, 2^{331122222201131} is an apocalyptic number.

331122222201131 is a deficient number, since it is larger than the sum of its proper divisors (4595608981).

331122222201131 is an equidigital number, since it uses as much as digits as its factorization.

331122222201131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4595608980.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 331122222201131 its reverse (131102222221133), we get a palindrome (462224444422264).

The spelling of 331122222201131 in words is "three hundred thirty-one trillion, one hundred twenty-two billion, two hundred twenty-two million, two hundred one thousand, one hundred thirty-one".