3121403411 has 8 divisors (see below), whose sum is σ = 3650279424. Its totient is φ = 2613267720.

The previous prime is 3121403381. The next prime is 3121403471. The reversal of 3121403411 is 1143041213.

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

It is a de Polignac number, because none of the positive numbers 2^k-3121403411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3121403471) 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, 5184755 + ... + 5185356.

It is an arithmetic number, because the mean of its divisors is an integer number (456284928).

Almost surely, 2^3121403411 is an apocalyptic number.

3121403411 is a deficient number, since it is larger than the sum of its proper divisors (528876013).

3121403411 is a wasteful number, since it uses less digits than its factorization.

3121403411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10370161.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 3121403411 is about 55869.5213063438. The cubic root of 3121403411 is about 1461.4477743267.

Adding to 3121403411 its reverse (1143041213), we get a palindrome (4264444624).

The spelling of 3121403411 in words is "three billion, one hundred twenty-one million, four hundred three thousand, four hundred eleven".