281113978342 has 8 divisors (see below), whose sum is σ = 424257906456. Its totient is φ = 139694676192.

The previous prime is 281113978339. The next prime is 281113978373. The reversal of 281113978342 is 243879311182.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 431156083 + ... + 431156734.

It is an arithmetic number, because the mean of its divisors is an integer number (53032238307).

Almost surely, 2^281113978342 is an apocalyptic number.

281113978342 is a deficient number, since it is larger than the sum of its proper divisors (143143928114).

281113978342 is a wasteful number, since it uses less digits than its factorization.

281113978342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 862312982.

The product of its digits is 580608, while the sum is 49.

The spelling of 281113978342 in words is "two hundred eighty-one billion, one hundred thirteen million, nine hundred seventy-eight thousand, three hundred forty-two".