31252503040000 has 1040 divisors, whose sum is σ = 90254768529024. Its totient is φ = 10705305600000.

The previous prime is 31252503039991. The next prime is 31252503040027. The reversal of 31252503040000 is 4030525213.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 47280639670 + ... + 47280640330.

Almost surely, 2^{31252503040000} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31252503040000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45127384264512).

31252503040000 is an abundant number, since it is smaller than the sum of its proper divisors (59002265489024).

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

31252503040000 is an equidigital number, since it uses as much as digits as its factorization.

31252503040000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 812 (or 775 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

Adding to 31252503040000 its reverse (4030525213), we get a palindrome (31256533565213).

The spelling of 31252503040000 in words is "thirty-one trillion, two hundred fifty-two billion, five hundred three million, forty thousand".