210103123031 has 8 divisors (see below), whose sum is σ = 211069689600. Its totient is φ = 209137340160.

The previous prime is 210103122991. The next prime is 210103123051. The reversal of 210103123031 is 130321301012.

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

It is a cyclic number.

It is not a de Polignac number, because 210103123031 - 2⁶ = 210103122967 is a prime.

It is a super-3 number, since 3×210103123031³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210103123051) 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, 344915 + ... + 734283.

It is an arithmetic number, because the mean of its divisors is an integer number (26383711200).

Almost surely, 2^210103123031 is an apocalyptic number.

210103123031 is a deficient number, since it is larger than the sum of its proper divisors (966566569).

210103123031 is a wasteful number, since it uses less digits than its factorization.

210103123031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391849.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 210103123031 its reverse (130321301012), we get a palindrome (340424424043).

The spelling of 210103123031 in words is "two hundred ten billion, one hundred three million, one hundred twenty-three thousand, thirty-one".