101631331204 has 48 divisors (see below), whose sum is σ = 193566902256. Its totient is φ = 46410048000.

The previous prime is 101631331199. The next prime is 101631331253. The reversal of 101631331204 is 402133136101.

It can be written as a sum of positive squares in 8 ways, for example, as 16180348804 + 85450982400 = 127202^2 + 292320^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8591614 + ... + 8603434.

It is an arithmetic number, because the mean of its divisors is an integer number (4032643797).

Almost surely, 2^101631331204 is an apocalyptic number.

It is an amenable number.

101631331204 is a deficient number, since it is larger than the sum of its proper divisors (91935571052).

101631331204 is a wasteful number, since it uses less digits than its factorization.

101631331204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13576 (or 13574 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 101631331204 its reverse (402133136101), we get a palindrome (503764467305).

The spelling of 101631331204 in words is "one hundred one billion, six hundred thirty-one million, three hundred thirty-one thousand, two hundred four".