2031872001401 has 4 divisors (see below), whose sum is σ = 2216587637904. Its totient is φ = 1847156364900.

The previous prime is 2031872001391. The next prime is 2031872001427. The reversal of 2031872001401 is 1041002781302.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2031872001401 - 2³⁰ = 2030798259577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2031872001001) 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, 92357818235 + ... + 92357818256.

It is an arithmetic number, because the mean of its divisors is an integer number (554146909476).

Almost surely, 2^{2031872001401} is an apocalyptic number.

It is an amenable number.

2031872001401 is a deficient number, since it is larger than the sum of its proper divisors (184715636503).

2031872001401 is a wasteful number, since it uses less digits than its factorization.

2031872001401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184715636502.

The product of its (nonzero) digits is 2688, while the sum is 29.

Adding to 2031872001401 its reverse (1041002781302), we get a palindrome (3072874782703).

The spelling of 2031872001401 in words is "two trillion, thirty-one billion, eight hundred seventy-two million, one thousand, four hundred one".