2131413121 has 8 divisors (see below), whose sum is σ = 2192408064. Its totient is φ = 2070937680.

The previous prime is 2131413101. The next prime is 2131413227. The reversal of 2131413121 is 1213141312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2131413121 - 2¹³ = 2131404929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2131413101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121546 + ... + 137971.

It is an arithmetic number, because the mean of its divisors is an integer number (274051008).

Almost surely, 2^2131413121 is an apocalyptic number.

It is an amenable number.

2131413121 is a deficient number, since it is larger than the sum of its proper divisors (60994943).

2131413121 is a wasteful number, since it uses less digits than its factorization.

2131413121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259751.

The product of its digits is 144, while the sum is 19.

The square root of 2131413121 is about 46167.2299472256. The cubic root of 2131413121 is about 1286.9328250685.

Adding to 2131413121 its reverse (1213141312), we get a palindrome (3344554433).

Subtracting from 2131413121 its reverse (1213141312), we obtain a square (918271809 = 30303²).

The spelling of 2131413121 in words is "two billion, one hundred thirty-one million, four hundred thirteen thousand, one hundred twenty-one".