31000282050 has 48 divisors (see below), whose sum is σ = 80223347520. Its totient is φ = 7907317440.

The previous prime is 31000282009. The next prime is 31000282063. The reversal of 31000282050 is 5028200013.

It is a super-2 number, since 2×31000282050² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4489345 + ... + 4496244.

It is an arithmetic number, because the mean of its divisors is an integer number (1671319740).

Almost surely, 2^31000282050 is an apocalyptic number.

31000282050 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

31000282050 is an abundant number, since it is smaller than the sum of its proper divisors (49223065470).

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

31000282050 is a wasteful number, since it uses less digits than its factorization.

31000282050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8985627 (or 8985622 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 31000282050 its reverse (5028200013), we get a palindrome (36028482063).

The spelling of 31000282050 in words is "thirty-one billion, two hundred eighty-two thousand, fifty".