31324041421 has 16 divisors (see below), whose sum is σ = 33309827200. Its totient is φ = 29372269248.

The previous prime is 31324041409. The next prime is 31324041431. The reversal of 31324041421 is 12414042313.

It is a cyclic number.

It is not a de Polignac number, because 31324041421 - 2¹⁷ = 31323910349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31324041431) 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, 6316675 + ... + 6321631.

It is an arithmetic number, because the mean of its divisors is an integer number (2081864200).

Almost surely, 2^31324041421 is an apocalyptic number.

It is an amenable number.

31324041421 is a deficient number, since it is larger than the sum of its proper divisors (1985785779).

31324041421 is a wasteful number, since it uses less digits than its factorization.

31324041421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8308.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 31324041421 its reverse (12414042313), we get a palindrome (43738083734).

The spelling of 31324041421 in words is "thirty-one billion, three hundred twenty-four million, forty-one thousand, four hundred twenty-one".