31354633444161 has 8 divisors (see below), whose sum is σ = 42594973735680. Its totient is φ = 20508691057712.

The previous prime is 31354633444153. The next prime is 31354633444181. The reversal of 31354633444161 is 16144433645313.

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

It is a cyclic number.

It is not a de Polignac number, because 31354633444161 - 2³ = 31354633444153 is a prime.

It is a super-2 number, since 2×31354633444161² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 31354633444161.

It is not an unprimeable number, because it can be changed into a prime (31354633444181) 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, 98599476081 + ... + 98599476398.

It is an arithmetic number, because the mean of its divisors is an integer number (5324371716960).

Almost surely, 2^{31354633444161} is an apocalyptic number.

It is an amenable number.

31354633444161 is a deficient number, since it is larger than the sum of its proper divisors (11240340291519).

31354633444161 is a wasteful number, since it uses less digits than its factorization.

31354633444161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197198952535.

The product of its digits is 3732480, while the sum is 48.

The spelling of 31354633444161 in words is "thirty-one trillion, three hundred fifty-four billion, six hundred thirty-three million, four hundred forty-four thousand, one hundred sixty-one".