318148729270 has 32 divisors (see below), whose sum is σ = 580500973728. Its totient is φ = 125528978688.

The previous prime is 318148729219. The next prime is 318148729271. The reversal of 318148729270 is 72927841813.

It is a super-2 number, since 2×318148729270² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (318148729271) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 388749 + ... + 887368.

It is an arithmetic number, because the mean of its divisors is an integer number (18140655429).

Almost surely, 2^318148729270 is an apocalyptic number.

318148729270 is a deficient number, since it is larger than the sum of its proper divisors (262352244458).

318148729270 is a wasteful number, since it uses less digits than its factorization.

318148729270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1276464.

The product of its (nonzero) digits is 1354752, while the sum is 52.

The spelling of 318148729270 in words is "three hundred eighteen billion, one hundred forty-eight million, seven hundred twenty-nine thousand, two hundred seventy".