131402231132101 has 4 divisors (see below), whose sum is σ = 133065550513600. Its totient is φ = 129738911750604.

The previous prime is 131402231132071. The next prime is 131402231132131. The reversal of 131402231132101 is 101231132204131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (131402231132071) and next prime (131402231132131).

It is a cyclic number.

It is not a de Polignac number, because 131402231132101 - 2¹³ = 131402231123909 is a prime.

It is a super-2 number, since 2×131402231132101² (a number of 29 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 (131402231132131) 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, 831659690631 + ... + 831659690788.

It is an arithmetic number, because the mean of its divisors is an integer number (33266387628400).

Almost surely, 2^{131402231132101} is an apocalyptic number.

It is an amenable number.

131402231132101 is a deficient number, since it is larger than the sum of its proper divisors (1663319381499).

131402231132101 is an equidigital number, since it uses as much as digits as its factorization.

131402231132101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1663319381498.

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 131402231132101 its reverse (101231132204131), we get a palindrome (232633363336232).

The spelling of 131402231132101 in words is "one hundred thirty-one trillion, four hundred two billion, two hundred thirty-one million, one hundred thirty-two thousand, one hundred one".