31100000352 has 48 divisors (see below), whose sum is σ = 81868857840. Its totient is φ = 10337288192.

The previous prime is 31100000339. The next prime is 31100000359. The reversal of 31100000352 is 25300000113.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31100000359) 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 7 ways as a sum of consecutive naturals, for example, 424977 + ... + 492752.

It is an arithmetic number, because the mean of its divisors is an integer number (1705601205).

Almost surely, 2^31100000352 is an apocalyptic number.

31100000352 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

31100000352 is an abundant number, since it is smaller than the sum of its proper divisors (50768857488).

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

31100000352 is a wasteful number, since it uses less digits than its factorization.

31100000352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 918095 (or 918087 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 15.

Adding to 31100000352 its reverse (25300000113), we get a palindrome (56400000465).

The spelling of 31100000352 in words is "thirty-one billion, one hundred million, three hundred fifty-two", and thus it is an aban number.