231532530414554 has 4 divisors (see below), whose sum is σ = 347298795621834. Its totient is φ = 115766265207276.

The previous prime is 231532530414551. The next prime is 231532530414583. The reversal of 231532530414554 is 455414035235132.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 189420802098529 + 42111728316025 = 13763023^2 + 6489355^2 .

It is a junction number, because it is equal to n+sod(n) for n = 231532530414499 and 231532530414508.

It is not an unprimeable number, because it can be changed into a prime (231532530414551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57883132603637 + ... + 57883132603640.

Almost surely, 2^{231532530414554} is an apocalyptic number.

231532530414554 is a deficient number, since it is larger than the sum of its proper divisors (115766265207280).

231532530414554 is a wasteful number, since it uses less digits than its factorization.

231532530414554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115766265207279.

The product of its (nonzero) digits is 4320000, while the sum is 47.

Adding to 231532530414554 its reverse (455414035235132), we get a palindrome (686946565649686).

The spelling of 231532530414554 in words is "two hundred thirty-one trillion, five hundred thirty-two billion, five hundred thirty million, four hundred fourteen thousand, five hundred fifty-four".