2103020323131 has 32 divisors (see below), whose sum is σ = 3470390300160. Its totient is φ = 1103088294144.

The previous prime is 2103020323109. The next prime is 2103020323139. The reversal of 2103020323131 is 1313230203012.

It is not a de Polignac number, because 2103020323131 - 2⁷ = 2103020323003 is a prime.

It is a super-2 number, since 2×2103020323131² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 2103020323098 and 2103020323107.

It is not an unprimeable number, because it can be changed into a prime (2103020323139) 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, 21468930 + ... + 21566663.

It is an arithmetic number, because the mean of its divisors is an integer number (108449696880).

Almost surely, 2^{2103020323131} is an apocalyptic number.

2103020323131 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2103020323131 is a deficient number, since it is larger than the sum of its proper divisors (1367369977029).

2103020323131 is a wasteful number, since it uses less digits than its factorization.

2103020323131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43035795.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 2103020323131 its reverse (1313230203012), we get a palindrome (3416250526143).

The spelling of 2103020323131 in words is "two trillion, one hundred three billion, twenty million, three hundred twenty-three thousand, one hundred thirty-one".