431401155131 has 8 divisors (see below), whose sum is σ = 433349394000. Its totient is φ = 429453476640.

The previous prime is 431401155089. The next prime is 431401155139. The reversal of 431401155131 is 131551104134.

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 431401155131 - 2²⁶ = 431334046267 is a prime.

It is a super-2 number, since 2×431401155131² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 431401155094 and 431401155103.

It is not an unprimeable number, because it can be changed into a prime (431401155139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1443341 + ... + 1716401.

It is an arithmetic number, because the mean of its divisors is an integer number (54168674250).

Almost surely, 2^431401155131 is an apocalyptic number.

431401155131 is a deficient number, since it is larger than the sum of its proper divisors (1948238869).

431401155131 is a wasteful number, since it uses less digits than its factorization.

431401155131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280189.

The product of its (nonzero) digits is 3600, while the sum is 29.

Adding to 431401155131 its reverse (131551104134), we get a palindrome (562952259265).

The spelling of 431401155131 in words is "four hundred thirty-one billion, four hundred one million, one hundred fifty-five thousand, one hundred thirty-one".