103631621156 has 36 divisors (see below), whose sum is σ = 216109860876. Its totient is φ = 43330291200.

The previous prime is 103631621081. The next prime is 103631621161. The reversal of 103631621156 is 651126136301.

It can be written as a sum of positive squares in 2 ways, for example, as 42676949056 + 60954672100 = 206584^2 + 246890^2 .

It is a super-3 number, since 3×103631621156³ (a number of 34 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6439925 + ... + 6455996.

It is an arithmetic number, because the mean of its divisors is an integer number (6003051691).

Almost surely, 2^103631621156 is an apocalyptic number.

It is an amenable number.

103631621156 is an abundant number, since it is smaller than the sum of its proper divisors (112478239720).

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

103631621156 is a wasteful number, since it uses less digits than its factorization.

103631621156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12895980 (or 12895971 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 35.

Adding to 103631621156 its reverse (651126136301), we get a palindrome (754757757457).

The spelling of 103631621156 in words is "one hundred three billion, six hundred thirty-one million, six hundred twenty-one thousand, one hundred fifty-six".