31323040053 has 8 divisors (see below), whose sum is σ = 41767221216. Its totient is φ = 20880442800.

The previous prime is 31323040051. The next prime is 31323040079. The reversal of 31323040053 is 35004032313.

It is a happy number.

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

It is not a de Polignac number, because 31323040053 - 2¹ = 31323040051 is a prime.

It is a super-2 number, since 2×31323040053² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31323040051) 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, 349038 + ... + 429503.

It is an arithmetic number, because the mean of its divisors is an integer number (5220902652).

Almost surely, 2^31323040053 is an apocalyptic number.

It is an amenable number.

31323040053 is a deficient number, since it is larger than the sum of its proper divisors (10444181163).

31323040053 is a wasteful number, since it uses less digits than its factorization.

31323040053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 791955.

The product of its (nonzero) digits is 3240, while the sum is 24.

Adding to 31323040053 its reverse (35004032313), we get a palindrome (66327072366).

The spelling of 31323040053 in words is "thirty-one billion, three hundred twenty-three million, forty thousand, fifty-three".