431154523531012 has 48 divisors (see below), whose sum is σ = 765890323720704. Its totient is φ = 212334634512000.

The previous prime is 431154523530977. The next prime is 431154523531013. The reversal of 431154523531012 is 210135325451134.

It is a super-2 number, since 2×431154523531012² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (431154523531013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8673196837 + ... + 8673246547.

It is an arithmetic number, because the mean of its divisors is an integer number (15956048410848).

Almost surely, 2^{431154523531012} is an apocalyptic number.

It is an amenable number.

431154523531012 is a deficient number, since it is larger than the sum of its proper divisors (334735800189692).

431154523531012 is a wasteful number, since it uses less digits than its factorization.

431154523531012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78820 (or 78818 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 40.

Adding to 431154523531012 its reverse (210135325451134), we get a palindrome (641289848982146).

The spelling of 431154523531012 in words is "four hundred thirty-one trillion, one hundred fifty-four billion, five hundred twenty-three million, five hundred thirty-one thousand, twelve".