31830242046 has 32 divisors (see below), whose sum is σ = 63815472000. Its totient is φ = 10584276384.

The previous prime is 31830242039. The next prime is 31830242051. The reversal of 31830242046 is 64024203813.

It is a super-2 number, since 2×31830242046² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31830241998 and 31830242016.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9095205 + ... + 9098703.

It is an arithmetic number, because the mean of its divisors is an integer number (1994233500).

Almost surely, 2^31830242046 is an apocalyptic number.

31830242046 is an abundant number, since it is smaller than the sum of its proper divisors (31985229954).

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

31830242046 is a wasteful number, since it uses less digits than its factorization.

31830242046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6760.

The product of its (nonzero) digits is 27648, while the sum is 33.

Adding to 31830242046 its reverse (64024203813), we get a palindrome (95854445859).

The spelling of 31830242046 in words is "thirty-one billion, eight hundred thirty million, two hundred forty-two thousand, forty-six".