431440334222131 has 8 divisors (see below), whose sum is σ = 464666865208784. Its totient is φ = 398219347945440.

The previous prime is 431440334222041. The next prime is 431440334222153. The reversal of 431440334222131 is 131222433044134.

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 431440334222131 - 2³¹ = 431438186738483 is a prime.

It is a super-2 number, since 2×431440334222131² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (431440334222171) 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, 1386015876 + ... + 1386327121.

It is an arithmetic number, because the mean of its divisors is an integer number (58083358151098).

Almost surely, 2^{431440334222131} is an apocalyptic number.

431440334222131 is a deficient number, since it is larger than the sum of its proper divisors (33226530986653).

431440334222131 is a wasteful number, since it uses less digits than its factorization.

431440334222131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2772354981.

The product of its (nonzero) digits is 165888, while the sum is 37.

Adding to 431440334222131 its reverse (131222433044134), we get a palindrome (562662767266265).

The spelling of 431440334222131 in words is "four hundred thirty-one trillion, four hundred forty billion, three hundred thirty-four million, two hundred twenty-two thousand, one hundred thirty-one".