319093542442 has 4 divisors (see below), whose sum is σ = 478640313666. Its totient is φ = 159546771220.

The previous prime is 319093542437. The next prime is 319093542497. The reversal of 319093542442 is 244245390913.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 244245390913 = 2311 ⋅105688183.

It can be written as a sum of positive squares in only one way, i.e., 220196501001 + 98897041441 = 469251^2 + 314479^2 .

It is a junction number, because it is equal to n+sod(n) for n = 319093542392 and 319093542401.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79773385609 + ... + 79773385612.

Almost surely, 2^319093542442 is an apocalyptic number.

319093542442 is a deficient number, since it is larger than the sum of its proper divisors (159546771224).

319093542442 is a wasteful number, since it uses less digits than its factorization.

319093542442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159546771223.

The product of its (nonzero) digits is 933120, while the sum is 46.

The spelling of 319093542442 in words is "three hundred nineteen billion, ninety-three million, five hundred forty-two thousand, four hundred forty-two".