2130020123331 has 4 divisors (see below), whose sum is σ = 2840026831112. Its totient is φ = 1420013415552.

The previous prime is 2130020123303. The next prime is 2130020123353. The reversal of 2130020123331 is 1333210200312.

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

It is not a de Polignac number, because 2130020123331 - 2⁹ = 2130020122819 is a prime.

It is a super-2 number, since 2×2130020123331² (a number of 25 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 = 2130020123298 and 2130020123307.

It is not an unprimeable number, because it can be changed into a prime (2130020123381) 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, 355003353886 + ... + 355003353891.

It is an arithmetic number, because the mean of its divisors is an integer number (710006707778).

Almost surely, 2^{2130020123331} is an apocalyptic number.

2130020123331 is a deficient number, since it is larger than the sum of its proper divisors (710006707781).

2130020123331 is an equidigital number, since it uses as much as digits as its factorization.

2130020123331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710006707780.

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

Adding to 2130020123331 its reverse (1333210200312), we get a palindrome (3463230323643).

The spelling of 2130020123331 in words is "two trillion, one hundred thirty billion, twenty million, one hundred twenty-three thousand, three hundred thirty-one".