31045411100 has 72 divisors (see below), whose sum is σ = 73522200528. Its totient is φ = 11284748800.

The previous prime is 31045411087. The next prime is 31045411123. The reversal of 31045411100 is 111454013.

It is a happy number.

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 23 ways as a sum of consecutive naturals, for example, 4172984 + ... + 4180416.

It is an arithmetic number, because the mean of its divisors is an integer number (1021141674).

Almost surely, 2^31045411100 is an apocalyptic number.

It is an amenable number.

31045411100 is an abundant number, since it is smaller than the sum of its proper divisors (42476789428).

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

31045411100 is a wasteful number, since it uses less digits than its factorization.

31045411100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11255 (or 11248 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

Adding to 31045411100 its reverse (111454013), we get a palindrome (31156865113).

The spelling of 31045411100 in words is "thirty-one billion, forty-five million, four hundred eleven thousand, one hundred".