101531532004 has 48 divisors (see below), whose sum is σ = 203724801280. Its totient is φ = 43371884160.

The previous prime is 101531531977. The next prime is 101531532083. The reversal of 101531532004 is 400235135101.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 101531532004.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20884534 + ... + 20889394.

Almost surely, 2^101531532004 is an apocalyptic number.

101531532004 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

101531532004 is an abundant number, since it is smaller than the sum of its proper divisors (102193269276).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101531532004 is a wasteful number, since it uses less digits than its factorization.

101531532004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7148 (or 7146 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 101531532004 its reverse (400235135101), we get a palindrome (501766667105).

The spelling of 101531532004 in words is "one hundred one billion, five hundred thirty-one million, five hundred thirty-two thousand, four".