3161240512154 has 4 divisors (see below), whose sum is σ = 4741860768234. Its totient is φ = 1580620256076.

The previous prime is 3161240512123. The next prime is 3161240512187. The reversal of 3161240512154 is 4512150421613.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2399329746529 + 761910765625 = 1548977^2 + 872875^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 790310128037 + ... + 790310128040.

Almost surely, 2^{3161240512154} is an apocalyptic number.

3161240512154 is a deficient number, since it is larger than the sum of its proper divisors (1580620256080).

3161240512154 is a wasteful number, since it uses less digits than its factorization.

3161240512154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1580620256079.

The product of its (nonzero) digits is 28800, while the sum is 35.

Adding to 3161240512154 its reverse (4512150421613), we get a palindrome (7673390933767).

The spelling of 3161240512154 in words is "three trillion, one hundred sixty-one billion, two hundred forty million, five hundred twelve thousand, one hundred fifty-four".