2131554041 has 4 divisors (see below), whose sum is σ = 2132701284. Its totient is φ = 2130406800.

The previous prime is 2131553999. The next prime is 2131554067. The reversal of 2131554041 is 1404551312.

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

It can be written as a sum of positive squares in 2 ways, for example, as 911798416 + 1219755625 = 30196^2 + 34925^2 .

It is a cyclic number.

It is not a de Polignac number, because 2131554041 - 2¹⁴ = 2131537657 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2131554041.

It is not an unprimeable number, because it can be changed into a prime (2131554071) 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, 570830 + ... + 574551.

It is an arithmetic number, because the mean of its divisors is an integer number (533175321).

Almost surely, 2^2131554041 is an apocalyptic number.

It is an amenable number.

2131554041 is a deficient number, since it is larger than the sum of its proper divisors (1147243).

2131554041 is a wasteful number, since it uses less digits than its factorization.

2131554041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1147242.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 2131554041 is about 46168.7561127653. The cubic root of 2131554041 is about 1286.9611866244.

The spelling of 2131554041 in words is "two billion, one hundred thirty-one million, five hundred fifty-four thousand, forty-one".