2131110132031 has 4 divisors (see below), whose sum is σ = 2131265803464. Its totient is φ = 2130954460600.

The previous prime is 2131110131963. The next prime is 2131110132089. The reversal of 2131110132031 is 1302310111312.

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 2131110132031 - 2¹¹ = 2131110129983 is a prime.

It is a super-2 number, since 2×2131110132031² (a number of 25 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 (2131110132631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77815180 + ... + 77842561.

It is an arithmetic number, because the mean of its divisors is an integer number (532816450866).

Almost surely, 2^{2131110132031} is an apocalyptic number.

2131110132031 is a deficient number, since it is larger than the sum of its proper divisors (155671433).

2131110132031 is a wasteful number, since it uses less digits than its factorization.

2131110132031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155671432.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 2131110132031 its reverse (1302310111312), we get a palindrome (3433420243343).

The spelling of 2131110132031 in words is "two trillion, one hundred thirty-one billion, one hundred ten million, one hundred thirty-two thousand, thirty-one".