3161133553 has 4 divisors (see below), whose sum is σ = 3164840308. Its totient is φ = 3157426800.

The previous prime is 3161133539. The next prime is 3161133583. The reversal of 3161133553 is 3553311613.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 406143409 + 2754990144 = 20153^2 + 52488^2 .

It is a cyclic number.

It is not a de Polignac number, because 3161133553 - 2²¹ = 3159036401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3161133533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1852098 + ... + 1853803.

It is an arithmetic number, because the mean of its divisors is an integer number (791210077).

Almost surely, 2^3161133553 is an apocalyptic number.

It is an amenable number.

3161133553 is a deficient number, since it is larger than the sum of its proper divisors (3706755).

3161133553 is an equidigital number, since it uses as much as digits as its factorization.

3161133553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3706754.

The product of its digits is 12150, while the sum is 31.

The square root of 3161133553 is about 56223.9588876486. The cubic root of 3161133553 is about 1467.6222304345.

The spelling of 3161133553 in words is "three billion, one hundred sixty-one million, one hundred thirty-three thousand, five hundred fifty-three".