31939464230 has 16 divisors (see below), whose sum is σ = 57549066624. Its totient is φ = 12762889920.

The previous prime is 31939464217. The next prime is 31939464233. The reversal of 31939464230 is 3246493913.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31939464233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1601567 + ... + 1621386.

It is an arithmetic number, because the mean of its divisors is an integer number (3596816664).

Almost surely, 2^31939464230 is an apocalyptic number.

31939464230 is a deficient number, since it is larger than the sum of its proper divisors (25609602394).

31939464230 is a wasteful number, since it uses less digits than its factorization.

31939464230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3223951.

The product of its (nonzero) digits is 419904, while the sum is 44.

The spelling of 31939464230 in words is "thirty-one billion, nine hundred thirty-nine million, four hundred sixty-four thousand, two hundred thirty".