2131010131 has 4 divisors (see below), whose sum is σ = 2131177312. Its totient is φ = 2130842952.

The previous prime is 2131010083. The next prime is 2131010159. The reversal of 2131010131 is 1310101312.

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 2131010131 - 2¹¹ = 2131008083 is a prime.

It is a super-3 number, since 3×2131010131³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2131010171) 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, 62736 + ... + 90541.

It is an arithmetic number, because the mean of its divisors is an integer number (532794328).

Almost surely, 2^2131010131 is an apocalyptic number.

2131010131 is a deficient number, since it is larger than the sum of its proper divisors (167181).

2131010131 is a wasteful number, since it uses less digits than its factorization.

2131010131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167180.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 2131010131 is about 46162.8652815225. The cubic root of 2131010131 is about 1286.8517124109.

Adding to 2131010131 its reverse (1310101312), we get a palindrome (3441111443).

It can be divided in two parts, 2 and 131010131, that multiplied together give a palindrome (262020262).

The spelling of 2131010131 in words is "two billion, one hundred thirty-one million, ten thousand, one hundred thirty-one".