93331631 has 4 divisors (see below), whose sum is σ = 97389552. Its totient is φ = 89273712.

The previous prime is 93331583. The next prime is 93331639. The reversal of 93331631 is 13613339.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13613339 = 167 ⋅81517.

It is a cyclic number.

It is not a de Polignac number, because 93331631 - 2¹⁰ = 93330607 is a prime.

It is a super-2 number, since 2×93331631² = 17421586690240322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 93331594 and 93331603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (93331639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2028926 + ... + 2028971.

It is an arithmetic number, because the mean of its divisors is an integer number (24347388).

Almost surely, 2^93331631 is an apocalyptic number.

93331631 is a deficient number, since it is larger than the sum of its proper divisors (4057921).

93331631 is a wasteful number, since it uses less digits than its factorization.

93331631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4057920.

The product of its digits is 4374, while the sum is 29.

The square root of 93331631 is about 9660.8297262709. The cubic root of 93331631 is about 453.6033832295.

The spelling of 93331631 in words is "ninety-three million, three hundred thirty-one thousand, six hundred thirty-one".