31020100002103 has 8 divisors (see below), whose sum is σ = 31288186500480. Its totient is φ = 30752993711160.

The previous prime is 31020100002077. The next prime is 31020100002107. The reversal of 31020100002103 is 30120000102013.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31020100002103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31020100002107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 244988293 + ... + 245114878.

It is an arithmetic number, because the mean of its divisors is an integer number (3911023312560).

Almost surely, 2^{31020100002103} is an apocalyptic number.

31020100002103 is a deficient number, since it is larger than the sum of its proper divisors (268086498377).

31020100002103 is a wasteful number, since it uses less digits than its factorization.

31020100002103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490103717.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 31020100002103 its reverse (30120000102013), we get a palindrome (61140100104116).

The spelling of 31020100002103 in words is "thirty-one trillion, twenty billion, one hundred million, two thousand, one hundred three".