3121153043 has 8 divisors (see below), whose sum is σ = 3252350880. Its totient is φ = 2991526720.

The previous prime is 3121153037. The next prime is 3121153051. The reversal of 3121153043 is 3403511213.

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

It is a cyclic number.

It is not a de Polignac number, because 3121153043 - 2⁸ = 3121152787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3121153643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 388823 + ... + 396768.

It is an arithmetic number, because the mean of its divisors is an integer number (406543860).

Almost surely, 2^3121153043 is an apocalyptic number.

3121153043 is a deficient number, since it is larger than the sum of its proper divisors (131197837).

3121153043 is a wasteful number, since it uses less digits than its factorization.

3121153043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 785757.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 3121153043 is about 55867.2806121794. The cubic root of 3121153043 is about 1461.4086990036.

Adding to 3121153043 its reverse (3403511213), we get a palindrome (6524664256).

The spelling of 3121153043 in words is "three billion, one hundred twenty-one million, one hundred fifty-three thousand, forty-three".