3155401243 has 8 divisors (see below), whose sum is σ = 3213388800. Its totient is φ = 3097564008.

The previous prime is 3155401201. The next prime is 3155401253. The reversal of 3155401243 is 3421045513.

3155401243 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 a cyclic number.

It is not a de Polignac number, because 3155401243 - 2¹³ = 3155393051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3155401253) 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, 5230 + ... + 79612.

It is an arithmetic number, because the mean of its divisors is an integer number (401673600).

Almost surely, 2^3155401243 is an apocalyptic number.

3155401243 is a deficient number, since it is larger than the sum of its proper divisors (57987557).

3155401243 is an equidigital number, since it uses as much as digits as its factorization.

3155401243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75161.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 3155401243 is about 56172.9582895542. The cubic root of 3155401243 is about 1466.7345788170.

Adding to 3155401243 its reverse (3421045513), we get a palindrome (6576446756).

The spelling of 3155401243 in words is "three billion, one hundred fifty-five million, four hundred one thousand, two hundred forty-three".