131323123201000 has 64 divisors (see below), whose sum is σ = 307299366578880. Its totient is φ = 52528692308800.

The previous prime is 131323123200977. The next prime is 131323123201009. The reversal of 131323123201000 is 102321323131.

It is not an unprimeable number, because it can be changed into a prime (131323123201009) 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, 101101659 + ... + 102392341.

It is an arithmetic number, because the mean of its divisors is an integer number (4801552602795).

Almost surely, 2^{131323123201000} is an apocalyptic number.

131323123201000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131323123201000 is an abundant number, since it is smaller than the sum of its proper divisors (175976243377880).

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

131323123201000 is a wasteful number, since it uses less digits than its factorization.

131323123201000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1392451 (or 1392437 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 131323123201000 its reverse (102321323131), we get a palindrome (131425444524131).

The spelling of 131323123201000 in words is "one hundred thirty-one trillion, three hundred twenty-three billion, one hundred twenty-three million, two hundred one thousand".