131163770002 has 8 divisors (see below), whose sum is σ = 197477052300. Its totient is φ = 65338085904.

The previous prime is 131163769999. The next prime is 131163770021. The reversal of 131163770002 is 200077361131.

It can be written as a sum of positive squares in 2 ways, for example, as 106190605161 + 24973164841 = 325869^2 + 158029^2 .

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

It is a super-2 number, since 2×131163770002² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121898877 + ... + 121899952.

Almost surely, 2^131163770002 is an apocalyptic number.

131163770002 is a deficient number, since it is larger than the sum of its proper divisors (66313282298).

131163770002 is a wasteful number, since it uses less digits than its factorization.

131163770002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243799100.

The product of its (nonzero) digits is 5292, while the sum is 31.

The spelling of 131163770002 in words is "one hundred thirty-one billion, one hundred sixty-three million, seven hundred seventy thousand, two".