103123312002131 has 2 divisors, whose sum is σ = 103123312002132. Its totient is φ = 103123312002130.

The previous prime is 103123312002101. The next prime is 103123312002143. The reversal of 103123312002131 is 131200213321301.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103123312002131 is a prime.

It is a super-2 number, since 2×103123312002131² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 103123312002097 and 103123312002106.

It is not a weakly prime, because it can be changed into another prime (103123312002101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51561656001065 + 51561656001066.

It is an arithmetic number, because the mean of its divisors is an integer number (51561656001066).

Almost surely, 2^{103123312002131} is an apocalyptic number.

103123312002131 is a deficient number, since it is larger than the sum of its proper divisors (1).

103123312002131 is an equidigital number, since it uses as much as digits as its factorization.

103123312002131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 103123312002131 its reverse (131200213321301), we get a palindrome (234323525323432).

The spelling of 103123312002131 in words is "one hundred three trillion, one hundred twenty-three billion, three hundred twelve million, two thousand, one hundred thirty-one".