101412531 has 24 divisors (see below), whose sum is σ = 169204464. Its totient is φ = 57845760.

The previous prime is 101412517. The next prime is 101412539. The reversal of 101412531 is 135214101.

It is not a de Polignac number, because 101412531 - 2⁹ = 101412019 is a prime.

It is a super-2 number, since 2×101412531² = 20569002887651922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (101412539) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28446 + ... + 31811.

It is an arithmetic number, because the mean of its divisors is an integer number (7050186).

Almost surely, 2^101412531 is an apocalyptic number.

101412531 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

101412531 is a deficient number, since it is larger than the sum of its proper divisors (67791933).

101412531 is a wasteful number, since it uses less digits than its factorization.

101412531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60291 (or 60288 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 101412531 is about 10070.3788905880. The cubic root of 101412531 is about 466.3341359521.

Adding to 101412531 its reverse (135214101), we get a palindrome (236626632).

The spelling of 101412531 in words is "one hundred one million, four hundred twelve thousand, five hundred thirty-one".