31653344046 has 32 divisors (see below), whose sum is σ = 64208166048. Its totient is φ = 10401766400.

The previous prime is 31653344017. The next prime is 31653344077. The reversal of 31653344046 is 64044335613.

It is a junction number, because it is equal to n+sod(n) for n = 31653343995 and 31653344013.

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, 29110 + ... + 253286.

It is an arithmetic number, because the mean of its divisors is an integer number (2006505189).

Almost surely, 2^31653344046 is an apocalyptic number.

31653344046 is an abundant number, since it is smaller than the sum of its proper divisors (32554822002).

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

31653344046 is a wasteful number, since it uses less digits than its factorization.

31653344046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224516.

The product of its (nonzero) digits is 311040, while the sum is 39.

Adding to 31653344046 its reverse (64044335613), we get a palindrome (95697679659).

The spelling of 31653344046 in words is "thirty-one billion, six hundred fifty-three million, three hundred forty-four thousand, forty-six".