131342430120402 has 16 divisors (see below), whose sum is σ = 265285700442432. Its totient is φ = 43347336673200.

The previous prime is 131342430120353. The next prime is 131342430120409. The reversal of 131342430120402 is 204021034243131.

It is a self number, because there is not a number n which added to its sum of digits gives 131342430120402.

It is not an unprimeable number, because it can be changed into a prime (131342430120409) 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, 108368341078 + ... + 108368342289.

It is an arithmetic number, because the mean of its divisors is an integer number (16580356277652).

Almost surely, 2^{131342430120402} is an apocalyptic number.

131342430120402 is an abundant number, since it is smaller than the sum of its proper divisors (133943270322030).

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

131342430120402 is a wasteful number, since it uses less digits than its factorization.

131342430120402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216736683473.

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 131342430120402 its reverse (204021034243131), we get a palindrome (335363464363533).

The spelling of 131342430120402 in words is "one hundred thirty-one trillion, three hundred forty-two billion, four hundred thirty million, one hundred twenty thousand, four hundred two".