31122201010231 has 8 divisors (see below), whose sum is σ = 32048813726864. Its totient is φ = 30204808320960.

The previous prime is 31122201010223. The next prime is 31122201010259. The reversal of 31122201010231 is 13201010222113.

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

It is a cyclic number.

It is not a de Polignac number, because 31122201010231 - 2³ = 31122201010223 is a prime.

It is a super-2 number, since 2×31122201010231² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31122201010199 and 31122201010208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31122201410231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2304999990 + ... + 2305013491.

It is an arithmetic number, because the mean of its divisors is an integer number (4006101715858).

Almost surely, 2^{31122201010231} is an apocalyptic number.

31122201010231 is a deficient number, since it is larger than the sum of its proper divisors (926612716633).

31122201010231 is a wasteful number, since it uses less digits than its factorization.

31122201010231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4610013681.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 31122201010231 its reverse (13201010222113), we get a palindrome (44323211232344).

The spelling of 31122201010231 in words is "thirty-one trillion, one hundred twenty-two billion, two hundred one million, ten thousand, two hundred thirty-one".