103212031101 has 16 divisors (see below), whose sum is σ = 139290217920. Its totient is φ = 67971125120.

The previous prime is 103212031093. The next prime is 103212031121. The reversal of 103212031101 is 101130212301.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 103212031101 - 2³ = 103212031093 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103212031121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2785585 + ... + 2822393.

It is an arithmetic number, because the mean of its divisors is an integer number (8705638620).

Almost surely, 2^103212031101 is an apocalyptic number.

It is an amenable number.

103212031101 is a deficient number, since it is larger than the sum of its proper divisors (36078186819).

103212031101 is a wasteful number, since it uses less digits than its factorization.

103212031101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48156.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 103212031101 its reverse (101130212301), we get a palindrome (204342243402).

The spelling of 103212031101 in words is "one hundred three billion, two hundred twelve million, thirty-one thousand, one hundred one".