31144053 has 8 divisors (see below), whose sum is σ = 41600416. Its totient is φ = 20725200.

The previous prime is 31144049. The next prime is 31144103. The reversal of 31144053 is 35044113.

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

It is not a de Polignac number, because 31144053 - 2² = 31144049 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31144453) 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, 7378 + ... + 10803.

It is an arithmetic number, because the mean of its divisors is an integer number (5200052).

Almost surely, 2^31144053 is an apocalyptic number.

It is an amenable number.

31144053 is a deficient number, since it is larger than the sum of its proper divisors (10456363).

31144053 is a wasteful number, since it uses less digits than its factorization.

31144053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18755.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 31144053 is about 5580.6857105556. The cubic root of 31144053 is about 314.6238998293.

Adding to 31144053 its reverse (35044113), we get a palindrome (66188166).

The spelling of 31144053 in words is "thirty-one million, one hundred forty-four thousand, fifty-three".