131403033021242 has 32 divisors (see below), whose sum is σ = 204064186524480. Its totient is φ = 63385274332800.

The previous prime is 131403033021241. The next prime is 131403033021259. The reversal of 131403033021242 is 242120330304131.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is not an unprimeable number, because it can be changed into a prime (131403033021241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 464651678 + ... + 464934390.

It is an arithmetic number, because the mean of its divisors is an integer number (6377005828890).

Almost surely, 2^{131403033021242} is an apocalyptic number.

131403033021242 is a deficient number, since it is larger than the sum of its proper divisors (72661153503238).

131403033021242 is a wasteful number, since it uses less digits than its factorization.

131403033021242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289118.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 131403033021242 its reverse (242120330304131), we get a palindrome (373523363325373).

The spelling of 131403033021242 in words is "one hundred thirty-one trillion, four hundred three billion, thirty-three million, twenty-one thousand, two hundred forty-two".