103020321303131 has 32 divisors (see below), whose sum is σ = 111288822892800. Its totient is φ = 95045192640000.

The previous prime is 103020321303023. The next prime is 103020321303143. The reversal of 103020321303131 is 131303123020301.

It is a de Polignac number, because none of the positive numbers 2^k-103020321303131 is a prime.

It is a super-2 number, since 2×103020321303131² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103020321303097 and 103020321303106.

It is not an unprimeable number, because it can be changed into a prime (103020321303161) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1534628375 + ... + 1534695503.

It is an arithmetic number, because the mean of its divisors is an integer number (3477775715400).

Almost surely, 2^{103020321303131} is an apocalyptic number.

103020321303131 is a deficient number, since it is larger than the sum of its proper divisors (8268501589669).

103020321303131 is a wasteful number, since it uses less digits than its factorization.

103020321303131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70731.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 103020321303131 its reverse (131303123020301), we get a palindrome (234323444323432).

The spelling of 103020321303131 in words is "one hundred three trillion, twenty billion, three hundred twenty-one million, three hundred three thousand, one hundred thirty-one".