131233400342041 has 8 divisors (see below), whose sum is σ = 134787858787784. Its totient is φ = 127679342411520.

The previous prime is 131233400341963. The next prime is 131233400342071. The reversal of 131233400342041 is 140243004332131.

It can be written as a sum of positive squares in 4 ways, for example, as 30397259783641 + 100836140558400 = 5513371^2 + 10041720^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131233400342041 - 2²⁷ = 131233266124313 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131233400341994 and 131233400342012.

It is not an unprimeable number, because it can be changed into a prime (131233400342071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99464550 + ... + 100775311.

It is an arithmetic number, because the mean of its divisors is an integer number (16848482348473).

Almost surely, 2^{131233400342041} is an apocalyptic number.

It is an amenable number.

131233400342041 is a deficient number, since it is larger than the sum of its proper divisors (3554458445743).

131233400342041 is a wasteful number, since it uses less digits than its factorization.

131233400342041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200257611.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 131233400342041 its reverse (140243004332131), we get a palindrome (271476404674172).

The spelling of 131233400342041 in words is "one hundred thirty-one trillion, two hundred thirty-three billion, four hundred million, three hundred forty-two thousand, forty-one".