159103163731 has 4 divisors (see below), whose sum is σ = 159202048600. Its totient is φ = 159004278864.

The previous prime is 159103163717. The next prime is 159103163753. The reversal of 159103163731 is 137361301951.

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

It is a cyclic number.

It is not a de Polignac number, because 159103163731 - 2¹³ = 159103155539 is a prime.

It is a super-2 number, since 2×159103163731² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (159103163701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49440021 + ... + 49443238.

It is an arithmetic number, because the mean of its divisors is an integer number (39800512150).

Almost surely, 2^159103163731 is an apocalyptic number.

159103163731 is a deficient number, since it is larger than the sum of its proper divisors (98884869).

159103163731 is an equidigital number, since it uses as much as digits as its factorization.

159103163731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98884868.

The product of its (nonzero) digits is 51030, while the sum is 40.

The spelling of 159103163731 in words is "one hundred fifty-nine billion, one hundred three million, one hundred sixty-three thousand, seven hundred thirty-one".