131403033033402 has 128 divisors (see below), whose sum is σ = 288498346665984. Its totient is φ = 39654832428288.

The previous prime is 131403033033383. The next prime is 131403033033449. The reversal of 131403033033402 is 204330330304131.

It is a self number, because there is not a number n which added to its sum of digits gives 131403033033402.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1978838733 + ... + 1978905135.

It is an arithmetic number, because the mean of its divisors is an integer number (2253893333328).

Almost surely, 2^{131403033033402} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131403033033402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144249173332992).

131403033033402 is an abundant number, since it is smaller than the sum of its proper divisors (157095313632582).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131403033033402 is a wasteful number, since it uses less digits than its factorization.

131403033033402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68132.

The product of its (nonzero) digits is 23328, while the sum is 30.

Adding to 131403033033402 its reverse (204330330304131), we get a palindrome (335733363337533).

The spelling of 131403033033402 in words is "one hundred thirty-one trillion, four hundred three billion, thirty-three million, thirty-three thousand, four hundred two".