3121142541 has 16 divisors (see below), whose sum is σ = 4594544640. Its totient is φ = 1868809520.

The previous prime is 3121142537. The next prime is 3121142543. The reversal of 3121142541 is 1452411213.

It is a cyclic number.

It is not a de Polignac number, because 3121142541 - 2² = 3121142537 is a prime.

It is a super-2 number, since 2×3121142541² = 19483061522479873362, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3121142543) 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, 567021 + ... + 572498.

It is an arithmetic number, because the mean of its divisors is an integer number (287159040).

Almost surely, 2^3121142541 is an apocalyptic number.

It is an amenable number.

3121142541 is a deficient number, since it is larger than the sum of its proper divisors (1473402099).

3121142541 is a wasteful number, since it uses less digits than its factorization.

3121142541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1139616.

The product of its digits is 960, while the sum is 24.

The square root of 3121142541 is about 55867.1866214865. The cubic root of 3121142541 is about 1461.4070598945.

Adding to 3121142541 its reverse (1452411213), we get a palindrome (4573553754).

The spelling of 3121142541 in words is "three billion, one hundred twenty-one million, one hundred forty-two thousand, five hundred forty-one".