31441042100 has 36 divisors (see below), whose sum is σ = 73475299884. Its totient is φ = 11608999680.

The previous prime is 31441042093. The next prime is 31441042141. The reversal of 31441042100 is 124014413.

It can be written as a sum of positive squares in 6 ways, for example, as 5469785764 + 25971256336 = 73958^2 + 161156^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12091409 + ... + 12094008.

Almost surely, 2^31441042100 is an apocalyptic number.

It is an amenable number.

31441042100 is an abundant number, since it is smaller than the sum of its proper divisors (42034257784).

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

31441042100 is a wasteful number, since it uses less digits than its factorization.

31441042100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24185444 (or 24185437 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 31441042100 its reverse (124014413), we get a palindrome (31565056513).

The spelling of 31441042100 in words is "thirty-one billion, four hundred forty-one million, forty-two thousand, one hundred".