131101122413 has 4 divisors (see below), whose sum is σ = 131103344700. Its totient is φ = 131098900128.

The previous prime is 131101122371. The next prime is 131101122431. The reversal of 131101122413 is 314221101131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 314221101131 = 7 ⋅44888728733.

It can be written as a sum of positive squares in 2 ways, for example, as 59527216324 + 71573906089 = 243982^2 + 267533^2 .

It is a cyclic number.

It is not a de Polignac number, because 131101122413 - 2⁸ = 131101122157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131101172413) 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, 1020170 + ... + 1141467.

It is an arithmetic number, because the mean of its divisors is an integer number (32775836175).

Almost surely, 2^131101122413 is an apocalyptic number.

It is an amenable number.

131101122413 is a deficient number, since it is larger than the sum of its proper divisors (2222287).

131101122413 is an equidigital number, since it uses as much as digits as its factorization.

131101122413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2222286.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 131101122413 its reverse (314221101131), we get a palindrome (445322223544).

The spelling of 131101122413 in words is "one hundred thirty-one billion, one hundred one million, one hundred twenty-two thousand, four hundred thirteen".