1242040331430 has 24 divisors (see below), whose sum is σ = 3229304861952. Its totient is φ = 331210755024.

The previous prime is 1242040331429. The next prime is 1242040331437. The reversal of 1242040331430 is 341330402421.

1242040331430 is a `hidden beast` number, since 1 + 24 + 204 + 0 + 3 + 3 + 1 + 430 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1242040331394 and 1242040331403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1242040331437) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6900223974 + ... + 6900224153.

It is an arithmetic number, because the mean of its divisors is an integer number (134554369248).

Almost surely, 2^{1242040331430} is an apocalyptic number.

1242040331430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1242040331430 is an abundant number, since it is smaller than the sum of its proper divisors (1987264530522).

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

1242040331430 is a wasteful number, since it uses less digits than its factorization.

1242040331430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13800448140 (or 13800448137 counting only the distinct ones).

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

Adding to 1242040331430 its reverse (341330402421), we get a palindrome (1583370733851).

The spelling of 1242040331430 in words is "one trillion, two hundred forty-two billion, forty million, three hundred thirty-one thousand, four hundred thirty".