103131211101 has 16 divisors (see below), whose sum is σ = 145786905600. Its totient is φ = 64666896048.

The previous prime is 103131211087. The next prime is 103131211109. The reversal of 103131211101 is 101112131301.

It is a de Polignac number, because none of the positive numbers 2^k-103131211101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103131211109) 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, 6500421 + ... + 6516266.

It is an arithmetic number, because the mean of its divisors is an integer number (9111681600).

Almost surely, 2^103131211101 is an apocalyptic number.

It is an amenable number.

103131211101 is a deficient number, since it is larger than the sum of its proper divisors (42655694499).

103131211101 is a wasteful number, since it uses less digits than its factorization.

103131211101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13016848.

The product of its (nonzero) digits is 18, while the sum is 15.

Adding to 103131211101 its reverse (101112131301), we get a palindrome (204243342402).

The spelling of 103131211101 in words is "one hundred three billion, one hundred thirty-one million, two hundred eleven thousand, one hundred one".