31122100041 has 16 divisors (see below), whose sum is σ = 42848501760. Its totient is φ = 20072313360.

The previous prime is 31122099961. The next prime is 31122100049. The reversal of 31122100041 is 14000122113.

It is not a de Polignac number, because 31122100041 - 2³¹ = 28974616393 is a prime.

It is a super-2 number, since 2×31122100041² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31122100049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 245640 + ... + 350118.

It is an arithmetic number, because the mean of its divisors is an integer number (2678031360).

Almost surely, 2^31122100041 is an apocalyptic number.

31122100041 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

31122100041 is a deficient number, since it is larger than the sum of its proper divisors (11726401719).

31122100041 is a wasteful number, since it uses less digits than its factorization.

31122100041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107716.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 31122100041 its reverse (14000122113), we get a palindrome (45122222154).

The spelling of 31122100041 in words is "thirty-one billion, one hundred twenty-two million, one hundred thousand, forty-one".