431012512461 has 4 divisors (see below), whose sum is σ = 574683349952. Its totient is φ = 287341674972.

The previous prime is 431012512393. The next prime is 431012512537. The reversal of 431012512461 is 164215210134.

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 431012512461 - 2⁹ = 431012511949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431012512061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71835418741 + ... + 71835418746.

It is an arithmetic number, because the mean of its divisors is an integer number (143670837488).

Almost surely, 2^431012512461 is an apocalyptic number.

It is an amenable number.

431012512461 is a deficient number, since it is larger than the sum of its proper divisors (143670837491).

431012512461 is a wasteful number, since it uses less digits than its factorization.

431012512461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143670837490.

The product of its (nonzero) digits is 5760, while the sum is 30.

Adding to 431012512461 its reverse (164215210134), we get a palindrome (595227722595).

The spelling of 431012512461 in words is "four hundred thirty-one billion, twelve million, five hundred twelve thousand, four hundred sixty-one".