31234342401 has 12 divisors (see below), whose sum is σ = 47077849728. Its totient is φ = 19917551544.

The previous prime is 31234342397. The next prime is 31234342411. The reversal of 31234342401 is 10424343213.

31234342401 is a `hidden beast` number, since 3 + 1 + 234 + 3 + 424 + 0 + 1 = 666.

It is not a de Polignac number, because 31234342401 - 2² = 31234342397 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31234342411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 75445065 + ... + 75445478.

It is an arithmetic number, because the mean of its divisors is an integer number (3923154144).

Almost surely, 2^31234342401 is an apocalyptic number.

It is an amenable number.

31234342401 is a deficient number, since it is larger than the sum of its proper divisors (15843507327).

31234342401 is a wasteful number, since it uses less digits than its factorization.

31234342401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150890572 (or 150890569 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 31234342401 its reverse (10424343213), we get a palindrome (41658685614).

The spelling of 31234342401 in words is "thirty-one billion, two hundred thirty-four million, three hundred forty-two thousand, four hundred one".