2131101333131 has 4 divisors (see below), whose sum is σ = 2160294502152. Its totient is φ = 2101908164112.

The previous prime is 2131101333107. The next prime is 2131101333209. The reversal of 2131101333131 is 1313331011312.

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 2131101333131 - 2²² = 2131097138827 is a prime.

It is a super-2 number, since 2×2131101333131² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2131101333097 and 2131101333106.

It is not an unprimeable number, because it can be changed into a prime (2131101335131) 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, 14596584401 + ... + 14596584546.

It is an arithmetic number, because the mean of its divisors is an integer number (540073625538).

Almost surely, 2^{2131101333131} is an apocalyptic number.

2131101333131 is a deficient number, since it is larger than the sum of its proper divisors (29193169021).

2131101333131 is an equidigital number, since it uses as much as digits as its factorization.

2131101333131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29193169020.

The product of its (nonzero) digits is 486, while the sum is 23.

Adding to 2131101333131 its reverse (1313331011312), we get a palindrome (3444432344443).

The spelling of 2131101333131 in words is "two trillion, one hundred thirty-one billion, one hundred one million, three hundred thirty-three thousand, one hundred thirty-one".