531440033132 has 6 divisors (see below), whose sum is σ = 930020057988. Its totient is φ = 265720016564.

The previous prime is 531440033129. The next prime is 531440033153. The reversal of 531440033132 is 231330044135.

It is a junction number, because it is equal to n+sod(n) for n = 531440033095 and 531440033104.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66430004138 + ... + 66430004145.

It is an arithmetic number, because the mean of its divisors is an integer number (155003342998).

Almost surely, 2^531440033132 is an apocalyptic number.

It is an amenable number.

531440033132 is a deficient number, since it is larger than the sum of its proper divisors (398580024856).

531440033132 is a wasteful number, since it uses less digits than its factorization.

531440033132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132860008287 (or 132860008285 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 29.

Adding to 531440033132 its reverse (231330044135), we get a palindrome (762770077267).

The spelling of 531440033132 in words is "five hundred thirty-one billion, four hundred forty million, thirty-three thousand, one hundred thirty-two".