231532422214453 has 12 divisors (see below), whose sum is σ = 251951983474212. Its totient is φ = 212597919956480.

The previous prime is 231532422214397. The next prime is 231532422214463. The reversal of 231532422214453 is 354412224235132.

It can be written as a sum of positive squares in 6 ways, for example, as 13129158002724 + 218403264211729 = 3623418^2 + 14778473^2 .

It is not a de Polignac number, because 231532422214453 - 2⁹ = 231532422213941 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 (231532422214463) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9770113150 + ... + 9770136847.

It is an arithmetic number, because the mean of its divisors is an integer number (20995998622851).

Almost surely, 2^{231532422214453} is an apocalyptic number.

It is an amenable number.

231532422214453 is a deficient number, since it is larger than the sum of its proper divisors (20419561259759).

231532422214453 is a wasteful number, since it uses less digits than its factorization.

231532422214453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19540250072 (or 19540250055 counting only the distinct ones).

The product of its digits is 1382400, while the sum is 43.

Adding to 231532422214453 its reverse (354412224235132), we get a palindrome (585944646449585).

The spelling of 231532422214453 in words is "two hundred thirty-one trillion, five hundred thirty-two billion, four hundred twenty-two million, two hundred fourteen thousand, four hundred fifty-three".