3121552442 has 8 divisors (see below), whose sum is σ = 4682600832. Its totient is φ = 1560685500.

The previous prime is 3121552429. The next prime is 3121552459. The reversal of 3121552442 is 2442551213.

3121552442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12317 + ... + 79967.

It is an arithmetic number, because the mean of its divisors is an integer number (585325104).

Almost surely, 2^3121552442 is an apocalyptic number.

3121552442 is a deficient number, since it is larger than the sum of its proper divisors (1561048390).

3121552442 is a wasteful number, since it uses less digits than its factorization.

3121552442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90724.

The product of its digits is 9600, while the sum is 29.

The square root of 3121552442 is about 55870.8550319395. The cubic root of 3121552442 is about 1461.4710328345.

The spelling of 3121552442 in words is "three billion, one hundred twenty-one million, five hundred fifty-two thousand, four hundred forty-two".