2120535131 has 32 divisors (see below), whose sum is σ = 2544003840. Its totient is φ = 1742083200.

The previous prime is 2120535127. The next prime is 2120535149. The reversal of 2120535131 is 1315350212.

It is a happy number.

It is not a de Polignac number, because 2120535131 - 2² = 2120535127 is a prime.

It is a super-2 number, since 2×2120535131² = 8993338483610374322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2120535097 and 2120535106.

It is not an unprimeable number, because it can be changed into a prime (2120535161) 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, 2468180 + ... + 2469038.

It is an arithmetic number, because the mean of its divisors is an integer number (79500120).

Almost surely, 2^2120535131 is an apocalyptic number.

2120535131 is a deficient number, since it is larger than the sum of its proper divisors (423468709).

2120535131 is a wasteful number, since it uses less digits than its factorization.

2120535131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1227.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 2120535131 is about 46049.2685175346. The cubic root of 2120535131 is about 1284.7397376480.

Adding to 2120535131 its reverse (1315350212), we get a palindrome (3435885343).

The spelling of 2120535131 in words is "two billion, one hundred twenty million, five hundred thirty-five thousand, one hundred thirty-one".