103312111202131 has 4 divisors (see below), whose sum is σ = 111259196679232. Its totient is φ = 95365025725032.

The previous prime is 103312111202093. The next prime is 103312111202141. The reversal of 103312111202131 is 131202111213301.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 103312111202131 - 2¹⁹ = 103312110677843 is a prime.

It is a super-2 number, since 2×103312111202131² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103312111202141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3973542738531 + ... + 3973542738556.

It is an arithmetic number, because the mean of its divisors is an integer number (27814799169808).

Almost surely, 2^{103312111202131} is an apocalyptic number.

103312111202131 is a deficient number, since it is larger than the sum of its proper divisors (7947085477101).

103312111202131 is an equidigital number, since it uses as much as digits as its factorization.

103312111202131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7947085477100.

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 103312111202131 its reverse (131202111213301), we get a palindrome (234514222415432).

The spelling of 103312111202131 in words is "one hundred three trillion, three hundred twelve billion, one hundred eleven million, two hundred two thousand, one hundred thirty-one".