3161731742903 has 8 divisors (see below), whose sum is σ = 3328166593920. Its totient is φ = 2995299683640.

The previous prime is 3161731742899. The next prime is 3161731742999. The reversal of 3161731742903 is 3092471371613.

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 3161731742903 - 2² = 3161731742899 is a prime.

It is a super-2 number, since 2×3161731742903² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3161731742003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1868798 + ... + 3133028.

It is an arithmetic number, because the mean of its divisors is an integer number (416020824240).

Almost surely, 2^{3161731742903} is an apocalyptic number.

3161731742903 is a deficient number, since it is larger than the sum of its proper divisors (166434851017).

3161731742903 is a wasteful number, since it uses less digits than its factorization.

3161731742903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1395877.

The product of its (nonzero) digits is 571536, while the sum is 47.

The spelling of 3161731742903 in words is "three trillion, one hundred sixty-one billion, seven hundred thirty-one million, seven hundred forty-two thousand, nine hundred three".