101542312 has 8 divisors (see below), whose sum is σ = 190391850. Its totient is φ = 50771152.

The previous prime is 101542297. The next prime is 101542333. The reversal of 101542312 is 213245101.

It can be written as a sum of positive squares in only one way, i.e., 86750596 + 14791716 = 9314^2 + 3846^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×101542312² = 20621682252610688, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 101542312.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6346387 + ... + 6346402.

Almost surely, 2^101542312 is an apocalyptic number.

It is an amenable number.

101542312 is a deficient number, since it is larger than the sum of its proper divisors (88849538).

101542312 is a wasteful number, since it uses less digits than its factorization.

101542312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12692795 (or 12692791 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 101542312 is about 10076.8205303062. The cubic root of 101542312 is about 466.5329789392.

Adding to 101542312 its reverse (213245101), we get a palindrome (314787413).

The spelling of 101542312 in words is "one hundred one million, five hundred forty-two thousand, three hundred twelve".