31550501034 has 192 divisors, whose sum is σ = 79303311360. Its totient is φ = 8984545920.

The previous prime is 31550501033. The next prime is 31550501039. The reversal of 31550501034 is 43010505513.

31550501034 is a `hidden beast` number, since 3 + 1 + 550 + 5 + 0 + 103 + 4 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 31550500989 and 31550501007.

It is not an unprimeable number, because it can be changed into a prime (31550501033) by changing a digit.

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 95 ways as a sum of consecutive naturals, for example, 40089189 + ... + 40089975.

It is an arithmetic number, because the mean of its divisors is an integer number (413038080).

Almost surely, 2^31550501034 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31550501034, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39651655680).

31550501034 is an abundant number, since it is smaller than the sum of its proper divisors (47752810326).

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

31550501034 is a wasteful number, since it uses less digits than its factorization.

31550501034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1025 (or 1022 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The spelling of 31550501034 in words is "thirty-one billion, five hundred fifty million, five hundred one thousand, thirty-four".