131773453351533 has 16 divisors (see below), whose sum is σ = 223108492447360. Its totient is φ = 75299116200768.

The previous prime is 131773453351531. The next prime is 131773453351591. The reversal of 131773453351533 is 335153354377131.

131773453351533 is a `hidden beast` number, since 1 + 3 + 1 + 7 + 7 + 3 + 4 + 53 + 3 + 51 + 533 = 666.

It is not a de Polignac number, because 131773453351533 - 2¹ = 131773453351531 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131773453351533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131773453351531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 348607019260 + ... + 348607019637.

It is an arithmetic number, because the mean of its divisors is an integer number (13944280777960).

Almost surely, 2^{131773453351533} is an apocalyptic number.

It is an amenable number.

131773453351533 is a deficient number, since it is larger than the sum of its proper divisors (91335039095827).

131773453351533 is an equidigital number, since it uses as much as digits as its factorization.

131773453351533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 697214038913 (or 697214038907 counting only the distinct ones).

The product of its digits is 17860500, while the sum is 54.

The spelling of 131773453351533 in words is "one hundred thirty-one trillion, seven hundred seventy-three billion, four hundred fifty-three million, three hundred fifty-one thousand, five hundred thirty-three".