31043113102 has 8 divisors (see below), whose sum is σ = 49015441800. Its totient is φ = 14704632504.

The previous prime is 31043113091. The next prime is 31043113139. The reversal of 31043113102 is 20131134013.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 31043113102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 408461977 + ... + 408462052.

It is an arithmetic number, because the mean of its divisors is an integer number (6126930225).

Almost surely, 2^31043113102 is an apocalyptic number.

31043113102 is a deficient number, since it is larger than the sum of its proper divisors (17972328698).

31043113102 is a wasteful number, since it uses less digits than its factorization.

31043113102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 816924050.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 31043113102 its reverse (20131134013), we get a palindrome (51174247115).

The spelling of 31043113102 in words is "thirty-one billion, forty-three million, one hundred thirteen thousand, one hundred two".