2131000424401 has 4 divisors (see below), whose sum is σ = 2132376152500. Its totient is φ = 2129624696304.

The previous prime is 2131000424393. The next prime is 2131000424489. The reversal of 2131000424401 is 1044240001312.

It is a happy number.

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 903214541376 + 1227785883025 = 950376^2 + 1108055^2 .

It is a cyclic number.

It is not a de Polignac number, because 2131000424401 - 2³ = 2131000424393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2131003424401) 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, 687861726 + ... + 687864823.

It is an arithmetic number, because the mean of its divisors is an integer number (533094038125).

Almost surely, 2^{2131000424401} is an apocalyptic number.

It is an amenable number.

2131000424401 is a deficient number, since it is larger than the sum of its proper divisors (1375728099).

2131000424401 is a wasteful number, since it uses less digits than its factorization.

2131000424401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1375728098.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 2131000424401 its reverse (1044240001312), we get a palindrome (3175240425713).

The spelling of 2131000424401 in words is "two trillion, one hundred thirty-one billion, four hundred twenty-four thousand, four hundred one".