101131144 has 16 divisors (see below), whose sum is σ = 189731520. Its totient is φ = 50536080.

The previous prime is 101131099. The next prime is 101131153. The reversal of 101131144 is 441131101.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19357 + ... + 24019.

It is an arithmetic number, because the mean of its divisors is an integer number (11858220).

Almost surely, 2^101131144 is an apocalyptic number.

It is an amenable number.

101131144 is a deficient number, since it is larger than the sum of its proper divisors (88600376).

101131144 is a wasteful number, since it uses less digits than its factorization.

101131144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7380 (or 7376 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 101131144 is about 10056.3981623641. The cubic root of 101131144 is about 465.9024275812.

Adding to 101131144 its reverse (441131101), we get a palindrome (542262245).

The spelling of 101131144 in words is "one hundred one million, one hundred thirty-one thousand, one hundred forty-four".