131403311241442 has 8 divisors (see below), whose sum is σ = 203901689857500. Its totient is φ = 63436081288944.

The previous prime is 131403311241437. The next prime is 131403311241457. The reversal of 131403311241442 is 244142113304131.

It can be written as a sum of positive squares in 2 ways, for example, as 121148963819361 + 10254347422081 = 11006769^2 + 3202241^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 131403311241398 and 131403311241407.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1132787165817 + ... + 1132787165932.

Almost surely, 2^{131403311241442} is an apocalyptic number.

131403311241442 is a deficient number, since it is larger than the sum of its proper divisors (72498378616058).

131403311241442 is a wasteful number, since it uses less digits than its factorization.

131403311241442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2265574331780.

The product of its (nonzero) digits is 27648, while the sum is 34.

Adding to 131403311241442 its reverse (244142113304131), we get a palindrome (375545424545573).

The spelling of 131403311241442 in words is "one hundred thirty-one trillion, four hundred three billion, three hundred eleven million, two hundred forty-one thousand, four hundred forty-two".