120343131442 has 8 divisors (see below), whose sum is σ = 185393472876. Its totient is φ = 58545307152.

The previous prime is 120343131421. The next prime is 120343131523. The reversal of 120343131442 is 244131343021.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 82059904521 + 38283226921 = 286461^2 + 195661^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 120343131442.

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, 813129193 + ... + 813129340.

Almost surely, 2^120343131442 is an apocalyptic number.

120343131442 is a deficient number, since it is larger than the sum of its proper divisors (65050341434).

120343131442 is a wasteful number, since it uses less digits than its factorization.

120343131442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1626258572.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 120343131442 its reverse (244131343021), we get a palindrome (364474474463).

The spelling of 120343131442 in words is "one hundred twenty billion, three hundred forty-three million, one hundred thirty-one thousand, four hundred forty-two".