103031133213131 has 4 divisors (see below), whose sum is σ = 103307356090752. Its totient is φ = 102754910335512.

The previous prime is 103031133213109. The next prime is 103031133213157. The reversal of 103031133213131 is 131312331130301.

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 103031133213131 - 2¹⁰ = 103031133212107 is a prime.

It is a super-2 number, since 2×103031133213131² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 103031133213131.

It is not an unprimeable number, because it can be changed into a prime (103031133213161) 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, 138111438251 + ... + 138111438996.

It is an arithmetic number, because the mean of its divisors is an integer number (25826839022688).

Almost surely, 2^{103031133213131} is an apocalyptic number.

103031133213131 is a deficient number, since it is larger than the sum of its proper divisors (276222877621).

103031133213131 is an equidigital number, since it uses as much as digits as its factorization.

103031133213131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276222877620.

The product of its (nonzero) digits is 1458, while the sum is 26.

Adding to 103031133213131 its reverse (131312331130301), we get a palindrome (234343464343432).

The spelling of 103031133213131 in words is "one hundred three trillion, thirty-one billion, one hundred thirty-three million, two hundred thirteen thousand, one hundred thirty-one".