3142320155 has 32 divisors (see below), whose sum is σ = 4167555840. Its totient is φ = 2259717120.

The previous prime is 3142320151. The next prime is 3142320161. The reversal of 3142320155 is 5510232413.

It is a happy number.

It is not a de Polignac number, because 3142320155 - 2² = 3142320151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3142320151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2848334 + ... + 2849436.

It is an arithmetic number, because the mean of its divisors is an integer number (130236120).

Almost surely, 2^3142320155 is an apocalyptic number.

3142320155 is a deficient number, since it is larger than the sum of its proper divisors (1025235685).

3142320155 is a wasteful number, since it uses less digits than its factorization.

3142320155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2231.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 3142320155 is about 56056.4015523651. The cubic root of 3142320155 is about 1464.7049311189.

Adding to 3142320155 its reverse (5510232413), we get a palindrome (8652552568).

The spelling of 3142320155 in words is "three billion, one hundred forty-two million, three hundred twenty thousand, one hundred fifty-five".