31423431302 has 8 divisors (see below), whose sum is σ = 47135903616. Its totient is φ = 15711463432.

The previous prime is 31423431293. The next prime is 31423431341. The reversal of 31423431302 is 20313432413.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 154523 + ... + 294489.

It is an arithmetic number, because the mean of its divisors is an integer number (5891987952).

Almost surely, 2^31423431302 is an apocalyptic number.

31423431302 is a deficient number, since it is larger than the sum of its proper divisors (15712472314).

31423431302 is a wasteful number, since it uses less digits than its factorization.

31423431302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252222.

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

Adding to 31423431302 its reverse (20313432413), we get a palindrome (51736863715).

The spelling of 31423431302 in words is "thirty-one billion, four hundred twenty-three million, four hundred thirty-one thousand, three hundred two".