131342222431020 has 48 divisors (see below), whose sum is σ = 367764358012128. Its totient is φ = 35024008343040.

The previous prime is 131342222430959. The next prime is 131342222431051. The reversal of 131342222431020 is 20134222243131.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14627059 + ... + 21831978.

It is an arithmetic number, because the mean of its divisors is an integer number (7661757458586).

Almost surely, 2^{131342222431020} is an apocalyptic number.

131342222431020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131342222431020 is an abundant number, since it is smaller than the sum of its proper divisors (236422135581108).

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

131342222431020 is a wasteful number, since it uses less digits than its factorization.

131342222431020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36519090 (or 36519088 counting only the distinct ones).

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

Adding to 131342222431020 its reverse (20134222243131), we get a palindrome (151476444674151).

The spelling of 131342222431020 in words is "one hundred thirty-one trillion, three hundred forty-two billion, two hundred twenty-two million, four hundred thirty-one thousand, twenty".