131377021107 has 16 divisors (see below), whose sum is σ = 178487621280. Its totient is φ = 85925795072.

The previous prime is 131377021099. The next prime is 131377021117. The reversal of 131377021107 is 701120773131.

It is a cyclic number.

It is not a de Polignac number, because 131377021107 - 2³ = 131377021099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131377021117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3206869 + ... + 3247577.

It is an arithmetic number, because the mean of its divisors is an integer number (11155476330).

Almost surely, 2^131377021107 is an apocalyptic number.

131377021107 is a deficient number, since it is larger than the sum of its proper divisors (47110600173).

131377021107 is a wasteful number, since it uses less digits than its factorization.

131377021107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61062.

The product of its (nonzero) digits is 6174, while the sum is 33.

Adding to 131377021107 its reverse (701120773131), we get a palindrome (832497794238).

The spelling of 131377021107 in words is "one hundred thirty-one billion, three hundred seventy-seven million, twenty-one thousand, one hundred seven".