31445104404535 has 8 divisors (see below), whose sum is σ = 37734205197456. Its totient is φ = 25156030248960.

The previous prime is 31445104404529. The next prime is 31445104404587. The reversal of 31445104404535 is 53540440154413.

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

It is a de Polignac number, because none of the positive numbers 2^k-31445104404535 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31445104404491 and 31445104404500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3963009 + ... + 8865418.

It is an arithmetic number, because the mean of its divisors is an integer number (4716775649682).

Almost surely, 2^{31445104404535} is an apocalyptic number.

31445104404535 is a deficient number, since it is larger than the sum of its proper divisors (6289100792921).

31445104404535 is a wasteful number, since it uses less digits than its factorization.

31445104404535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13318673.

The product of its (nonzero) digits is 1152000, while the sum is 43.

Adding to 31445104404535 its reverse (53540440154413), we get a palindrome (84985544558948).

The spelling of 31445104404535 in words is "thirty-one trillion, four hundred forty-five billion, one hundred four million, four hundred four thousand, five hundred thirty-five".