101531036 has 12 divisors (see below), whose sum is σ = 178022712. Its totient is φ = 50667408.

The previous prime is 101531033. The next prime is 101531057. The reversal of 101531036 is 630135101.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 101530999 and 101531017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101531033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22175 + ... + 26358.

It is an arithmetic number, because the mean of its divisors is an integer number (14835226).

Almost surely, 2^101531036 is an apocalyptic number.

It is an amenable number.

101531036 is a deficient number, since it is larger than the sum of its proper divisors (76491676).

101531036 is a wasteful number, since it uses less digits than its factorization.

101531036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49060 (or 49058 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 101531036 is about 10076.2610128956. The cubic root of 101531036 is about 466.5157092234.

Adding to 101531036 its reverse (630135101), we get a palindrome (731666137).

The spelling of 101531036 in words is "one hundred one million, five hundred thirty-one thousand, thirty-six".