31212322141 has 32 divisors (see below), whose sum is σ = 42497796096. Its totient is φ = 22134168000.

The previous prime is 31212322139. The next prime is 31212322199. The reversal of 31212322141 is 14122321213.

It is not a de Polignac number, because 31212322141 - 2¹ = 31212322139 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31212322121) 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 31 ways as a sum of consecutive naturals, for example, 148515 + ... + 290656.

It is an arithmetic number, because the mean of its divisors is an integer number (1328056128).

Almost surely, 2^31212322141 is an apocalyptic number.

It is an amenable number.

31212322141 is a deficient number, since it is larger than the sum of its proper divisors (11285473955).

31212322141 is a wasteful number, since it uses less digits than its factorization.

31212322141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439273.

The product of its digits is 576, while the sum is 22.

Adding to 31212322141 its reverse (14122321213), we get a palindrome (45334643354).

It can be divided in two parts, 31212 and 322141, that added together give a palindrome (353353).

The spelling of 31212322141 in words is "thirty-one billion, two hundred twelve million, three hundred twenty-two thousand, one hundred forty-one".