308611388942 has 8 divisors (see below), whose sum is σ = 462968711832. Its totient is φ = 154288485000.

The previous prime is 308611388941. The next prime is 308611388947. The reversal of 308611388942 is 249883116803.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (308611388941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8582309 + ... + 8618192.

It is an arithmetic number, because the mean of its divisors is an integer number (57871088979).

Almost surely, 2^308611388942 is an apocalyptic number.

308611388942 is a deficient number, since it is larger than the sum of its proper divisors (154357322890).

308611388942 is a wasteful number, since it uses less digits than its factorization.

308611388942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17209474.

The product of its (nonzero) digits is 1990656, while the sum is 53.

The spelling of 308611388942 in words is "three hundred eight billion, six hundred eleven million, three hundred eighty-eight thousand, nine hundred forty-two".