3147115206157 has 8 divisors (see below), whose sum is σ = 3427281902520. Its totient is φ = 2872388640000.

The previous prime is 3147115206023. The next prime is 3147115206187. The reversal of 3147115206157 is 7516025117413.

It can be written as a sum of positive squares in 4 ways, for example, as 393171637156 + 2753943569001 = 627034^2 + 1659501^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3147115206157 is a prime.

It is a super-2 number, since 2×3147115206157² (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 (3147115206187) 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, 1360031344 + ... + 1360033657.

It is an arithmetic number, because the mean of its divisors is an integer number (428410237815).

Almost surely, 2^{3147115206157} is an apocalyptic number.

It is an amenable number.

3147115206157 is a deficient number, since it is larger than the sum of its proper divisors (280166696363).

3147115206157 is a wasteful number, since it uses less digits than its factorization.

3147115206157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2720065103.

The product of its (nonzero) digits is 176400, while the sum is 43.

The spelling of 3147115206157 in words is "three trillion, one hundred forty-seven billion, one hundred fifteen million, two hundred six thousand, one hundred fifty-seven".