13131004502000 has 320 divisors, whose sum is σ = 40127673950208. Its totient is φ = 4036711680000.

The previous prime is 13131004501987. The next prime is 13131004502023. The reversal of 13131004502000 is 20540013131.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10657985 + ... + 11826015.

Almost surely, 2^{13131004502000} is an apocalyptic number.

13131004502000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13131004502000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20063836975104).

13131004502000 is an abundant number, since it is smaller than the sum of its proper divisors (26996669448208).

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

13131004502000 is a wasteful number, since it uses less digits than its factorization.

13131004502000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1168145 (or 1168129 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

Adding to 13131004502000 its reverse (20540013131), we get a palindrome (13151544515131).

The spelling of 13131004502000 in words is "thirteen trillion, one hundred thirty-one billion, four million, five hundred two thousand".