3121153253 has 4 divisors (see below), whose sum is σ = 3221835648. Its totient is φ = 3020470860.

The previous prime is 3121153223. The next prime is 3121153271. The reversal of 3121153253 is 3523511213.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3121153253 - 2⁸ = 3121152997 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 (3121153223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50341151 + ... + 50341212.

It is an arithmetic number, because the mean of its divisors is an integer number (805458912).

Almost surely, 2^3121153253 is an apocalyptic number.

It is an amenable number.

3121153253 is a deficient number, since it is larger than the sum of its proper divisors (100682395).

3121153253 is a wasteful number, since it uses less digits than its factorization.

3121153253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100682394.

The product of its digits is 2700, while the sum is 26.

The square root of 3121153253 is about 55867.2824916337. The cubic root of 3121153253 is about 1461.4087317795.

Adding to 3121153253 its reverse (3523511213), we get a palindrome (6644664466).

The spelling of 3121153253 in words is "three billion, one hundred twenty-one million, one hundred fifty-three thousand, two hundred fifty-three".