311220022141 has 8 divisors (see below), whose sum is σ = 356458322240. Its totient is φ = 266176296288.

The previous prime is 311220022123. The next prime is 311220022163. The reversal of 311220022141 is 141220022113.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 311220022141 - 2¹¹ = 311220020093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311220022121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48640131 + ... + 48646528.

It is an arithmetic number, because the mean of its divisors is an integer number (44557290280).

Almost surely, 2^311220022141 is an apocalyptic number.

It is an amenable number.

311220022141 is a deficient number, since it is larger than the sum of its proper divisors (45238300099).

311220022141 is an equidigital number, since it uses as much as digits as its factorization.

311220022141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97287123.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 311220022141 its reverse (141220022113), we get a palindrome (452440044254).

The spelling of 311220022141 in words is "three hundred eleven billion, two hundred twenty million, twenty-two thousand, one hundred forty-one".