1231030242342 has 48 divisors (see below), whose sum is σ = 2740161230352. Its totient is φ = 399181251840.

The previous prime is 1231030242331. The next prime is 1231030242389. The reversal of 1231030242342 is 2432420301321.

1231030242342 is a `hidden beast` number, since 1 + 2 + 3 + 10 + 302 + 4 + 2 + 342 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2147463 + ... + 2659634.

It is an arithmetic number, because the mean of its divisors is an integer number (57086692299).

Almost surely, 2^{1231030242342} is an apocalyptic number.

1231030242342 is an abundant number, since it is smaller than the sum of its proper divisors (1509130988010).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1231030242342 is a wasteful number, since it uses less digits than its factorization.

1231030242342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4807493 (or 4807490 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 1231030242342 its reverse (2432420301321), we get a palindrome (3663450543663).

The spelling of 1231030242342 in words is "one trillion, two hundred thirty-one billion, thirty million, two hundred forty-two thousand, three hundred forty-two".