993131230 has 64 divisors (see below), whose sum is σ = 2206512000. Its totient is φ = 313403904.

The previous prime is 993131219. The next prime is 993131263. The reversal of 993131230 is 32131399.

It is a junction number, because it is equal to n+sod(n) for n = 993131192 and 993131201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 359896 + ... + 362644.

It is an arithmetic number, because the mean of its divisors is an integer number (34476750).

Almost surely, 2^993131230 is an apocalyptic number.

993131230 is an abundant number, since it is smaller than the sum of its proper divisors (1213380770).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

993131230 is a wasteful number, since it uses less digits than its factorization.

993131230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3173.

The product of its (nonzero) digits is 4374, while the sum is 31.

The square root of 993131230 is about 31513.9846734747. The cubic root of 993131230 is about 997.7051476813.

The spelling of 993131230 in words is "nine hundred ninety-three million, one hundred thirty-one thousand, two hundred thirty".