31334322401 has 4 divisors (see below), whose sum is σ = 31345798704. Its totient is φ = 31322846100.

The previous prime is 31334322379. The next prime is 31334322407. The reversal of 31334322401 is 10422343313.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10422343313 = 31 ⋅336204623.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31334322401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31334322407) 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 3 ways as a sum of consecutive naturals, for example, 5734055 + ... + 5739516.

It is an arithmetic number, because the mean of its divisors is an integer number (7836449676).

Almost surely, 2^31334322401 is an apocalyptic number.

It is an amenable number.

31334322401 is a deficient number, since it is larger than the sum of its proper divisors (11476303).

31334322401 is a wasteful number, since it uses less digits than its factorization.

31334322401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11476302.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 31334322401 its reverse (10422343313), we get a palindrome (41756665714).

The spelling of 31334322401 in words is "thirty-one billion, three hundred thirty-four million, three hundred twenty-two thousand, four hundred one".