3121255041 has 16 divisors (see below), whose sum is σ = 4225628160. Its totient is φ = 2049086160.

The previous prime is 3121255019. The next prime is 3121255051. The reversal of 3121255041 is 1405521213.

It is a happy number.

It is not a de Polignac number, because 3121255041 - 2²¹ = 3119157889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3121255051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27096 + ... + 83526.

It is an arithmetic number, because the mean of its divisors is an integer number (264101760).

Almost surely, 2^3121255041 is an apocalyptic number.

It is an amenable number.

3121255041 is a deficient number, since it is larger than the sum of its proper divisors (1104373119).

3121255041 is a wasteful number, since it uses less digits than its factorization.

3121255041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56716.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 3121255041 is about 55868.1934646181. The cubic root of 3121255041 is about 1461.4246182423.

Adding to 3121255041 its reverse (1405521213), we get a palindrome (4526776254).

The spelling of 3121255041 in words is "three billion, one hundred twenty-one million, two hundred fifty-five thousand, forty-one".