2031131423 has 8 divisors (see below), whose sum is σ = 2151156528. Its totient is φ = 1911167104.

The previous prime is 2031131383. The next prime is 2031131467. The reversal of 2031131423 is 3241311302.

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 2031131423 - 2¹⁰ = 2031130399 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2031131395 and 2031131404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2031131023) 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, 66065 + ... + 91797.

It is an arithmetic number, because the mean of its divisors is an integer number (268894566).

Almost surely, 2^2031131423 is an apocalyptic number.

2031131423 is a deficient number, since it is larger than the sum of its proper divisors (120025105).

2031131423 is a wasteful number, since it uses less digits than its factorization.

2031131423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30393.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 2031131423 is about 45068.0754303975. The cubic root of 2031131423 is about 1266.4246107259.

Adding to 2031131423 its reverse (3241311302), we get a palindrome (5272442725).

The spelling of 2031131423 in words is "two billion, thirty-one million, one hundred thirty-one thousand, four hundred twenty-three".