101531486 has 12 divisors (see below), whose sum is σ = 174118632. Its totient is φ = 43497336.

The previous prime is 101531483. The next prime is 101531503. The reversal of 101531486 is 684135101.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101531483) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 36356 + ... + 39048.

It is an arithmetic number, because the mean of its divisors is an integer number (14509886).

Almost surely, 2^101531486 is an apocalyptic number.

101531486 is a deficient number, since it is larger than the sum of its proper divisors (72587146).

101531486 is an frugal number, since it uses more digits than its factorization.

101531486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5395 (or 2702 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 101531486 is about 10076.2833425822. The cubic root of 101531486 is about 466.5163984437.

Adding to 101531486 its reverse (684135101), we get a palindrome (785666587).

The spelling of 101531486 in words is "one hundred one million, five hundred thirty-one thousand, four hundred eighty-six".