320011100156 has 24 divisors (see below), whose sum is σ = 615979302960. Its totient is φ = 145459588560.

The previous prime is 320011100147. The next prime is 320011100183. The reversal of 320011100156 is 651001110023.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30048311 + ... + 30058958.

It is an arithmetic number, because the mean of its divisors is an integer number (25665804290).

Almost surely, 2^320011100156 is an apocalyptic number.

It is an amenable number.

320011100156 is a deficient number, since it is larger than the sum of its proper divisors (295968202804).

320011100156 is a wasteful number, since it uses less digits than its factorization.

320011100156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60107306 (or 60107282 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 20.

Adding to 320011100156 its reverse (651001110023), we get a palindrome (971012210179).

The spelling of 320011100156 in words is "three hundred twenty billion, eleven million, one hundred thousand, one hundred fifty-six".