31232020455349 has 8 divisors (see below), whose sum is σ = 35698938612480. Its totient is φ = 26766402535536.

The previous prime is 31232020455329. The next prime is 31232020455367. The reversal of 31232020455349 is 94355402023213.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31232020455349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31232020455329) 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, 325007854 + ... + 325103935.

It is an arithmetic number, because the mean of its divisors is an integer number (4462367326560).

Almost surely, 2^{31232020455349} is an apocalyptic number.

It is an amenable number.

31232020455349 is a deficient number, since it is larger than the sum of its proper divisors (4466918157131).

31232020455349 is an equidigital number, since it uses as much as digits as its factorization.

31232020455349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 650118659.

The product of its (nonzero) digits is 777600, while the sum is 43.

The spelling of 31232020455349 in words is "thirty-one trillion, two hundred thirty-two billion, twenty million, four hundred fifty-five thousand, three hundred forty-nine".