31043401100 has 18 divisors (see below), whose sum is σ = 67364180604. Its totient is φ = 12417360400.

The previous prime is 31043401099. The next prime is 31043401133. The reversal of 31043401100 is 110434013.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 155216906 + ... + 155217105.

It is an arithmetic number, because the mean of its divisors is an integer number (3742454478).

Almost surely, 2^31043401100 is an apocalyptic number.

It is an amenable number.

31043401100 is an abundant number, since it is smaller than the sum of its proper divisors (36320779504).

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

31043401100 is a wasteful number, since it uses less digits than its factorization.

31043401100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310434025 (or 310434018 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 31043401100 its reverse (110434013), we get a palindrome (31153835113).

The spelling of 31043401100 in words is "thirty-one billion, forty-three million, four hundred one thousand, one hundred".