131230857126 has 8 divisors (see below), whose sum is σ = 262461714264. Its totient is φ = 43743619040.

The previous prime is 131230857119. The next prime is 131230857127. The reversal of 131230857126 is 621758032131.

It is a happy number.

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

131230857126 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131230857127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10935904755 + ... + 10935904766.

It is an arithmetic number, because the mean of its divisors is an integer number (32807714283).

Almost surely, 2^131230857126 is an apocalyptic number.

131230857126 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

131230857126 is a wasteful number, since it uses less digits than its factorization.

131230857126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21871809526.

The product of its (nonzero) digits is 60480, while the sum is 39.

Adding to 131230857126 its reverse (621758032131), we get a palindrome (752988889257).

The spelling of 131230857126 in words is "one hundred thirty-one billion, two hundred thirty million, eight hundred fifty-seven thousand, one hundred twenty-six".