31545034050 has 96 divisors (see below), whose sum is σ = 82440705600. Its totient is φ = 7960412160.

The previous prime is 31545034043. The next prime is 31545034109. The reversal of 31545034050 is 5043054513.

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

It is a junction number, because it is equal to n+sod(n) for n = 31545033999 and 31545034017.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2778786 + ... + 2790114.

It is an arithmetic number, because the mean of its divisors is an integer number (858757350).

Almost surely, 2^31545034050 is an apocalyptic number.

31545034050 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 31545034050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41220352800).

31545034050 is an abundant number, since it is smaller than the sum of its proper divisors (50895671550).

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

31545034050 is a wasteful number, since it uses less digits than its factorization.

31545034050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12340 (or 12335 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

Adding to 31545034050 its reverse (5043054513), we get a palindrome (36588088563).

The spelling of 31545034050 in words is "thirty-one billion, five hundred forty-five million, thirty-four thousand, fifty".