31144101 has 8 divisors (see below), whose sum is σ = 41614080. Its totient is φ = 20718432.

The previous prime is 31144049. The next prime is 31144103. The reversal of 31144101 is 10144113.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 31144101 - 2²³ = 22755493 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31144103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9400 + ... + 12273.

It is an arithmetic number, because the mean of its divisors is an integer number (5201760).

Almost surely, 2^31144101 is an apocalyptic number.

It is an amenable number.

31144101 is a deficient number, since it is larger than the sum of its proper divisors (10469979).

31144101 is a wasteful number, since it uses less digits than its factorization.

31144101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22155.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 31144101 is about 5580.6900111008. The cubic root of 31144101 is about 314.6240614646.

Adding to 31144101 its reverse (10144113), we get a palindrome (41288214).

The spelling of 31144101 in words is "thirty-one million, one hundred forty-four thousand, one hundred one".