31190528050 has 96 divisors (see below), whose sum is σ = 65572053120. Its totient is φ = 10933977600.

The previous prime is 31190528029. The next prime is 31190528059. The reversal of 31190528050 is 5082509113.

It is a junction number, because it is equal to n+sod(n) for n = 31190527997 and 31190528015.

It is not an unprimeable number, because it can be changed into a prime (31190528059) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14944107 + ... + 14946193.

It is an arithmetic number, because the mean of its divisors is an integer number (683042220).

Almost surely, 2^31190528050 is an apocalyptic number.

31190528050 is an abundant number, since it is smaller than the sum of its proper divisors (34381525070).

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

31190528050 is a wasteful number, since it uses less digits than its factorization.

31190528050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3076 (or 3071 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 34.

The spelling of 31190528050 in words is "thirty-one billion, one hundred ninety million, five hundred twenty-eight thousand, fifty".