31803824146 has 8 divisors (see below), whose sum is σ = 47709010224. Its totient is φ = 15900820740.

The previous prime is 31803824119. The next prime is 31803824147. The reversal of 31803824146 is 64142830813.

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

It is a super-2 number, since 2×31803824146² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31803824099 and 31803824108.

It is not an unprimeable number, because it can be changed into a prime (31803824147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 508740 + ... + 567823.

It is an arithmetic number, because the mean of its divisors is an integer number (5963626278).

Almost surely, 2^31803824146 is an apocalyptic number.

31803824146 is a deficient number, since it is larger than the sum of its proper divisors (15905186078).

31803824146 is a wasteful number, since it uses less digits than its factorization.

31803824146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1091336.

The product of its (nonzero) digits is 110592, while the sum is 40.

The spelling of 31803824146 in words is "thirty-one billion, eight hundred three million, eight hundred twenty-four thousand, one hundred forty-six".