131123325021342 has 32 divisors (see below), whose sum is σ = 262503440010240. Its totient is φ = 43664978089440.

The previous prime is 131123325021331. The next prime is 131123325021343. The reversal of 131123325021342 is 243120523321131.

It is a happy number.

It is a super-3 number, since 3×131123325021342³ (a number of 43 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131123325021343) 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, 476582688 + ... + 476857740.

It is an arithmetic number, because the mean of its divisors is an integer number (8203232500320).

Almost surely, 2^{131123325021342} is an apocalyptic number.

131123325021342 is an abundant number, since it is smaller than the sum of its proper divisors (131380114988898).

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

131123325021342 is a wasteful number, since it uses less digits than its factorization.

131123325021342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352568.

The product of its (nonzero) digits is 25920, while the sum is 33.

Adding to 131123325021342 its reverse (243120523321131), we get a palindrome (374243848342473).

The spelling of 131123325021342 in words is "one hundred thirty-one trillion, one hundred twenty-three billion, three hundred twenty-five million, twenty-one thousand, three hundred forty-two".