1031103434242 has 16 divisors (see below), whose sum is σ = 1781099065152. Its totient is φ = 438528177360.

The previous prime is 1031103434239. The next prime is 1031103434243. The reversal of 1031103434242 is 2424343011301.

It is a happy number.

It is a super-2 number, since 2×1031103434242² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1031103434242.

It is not an unprimeable number, because it can be changed into a prime (1031103434243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 281105973 + ... + 281109640.

It is an arithmetic number, because the mean of its divisors is an integer number (111318691572).

Almost surely, 2^{1031103434242} is an apocalyptic number.

1031103434242 is a deficient number, since it is larger than the sum of its proper divisors (749995630910).

1031103434242 is a wasteful number, since it uses less digits than its factorization.

1031103434242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562215753.

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

Adding to 1031103434242 its reverse (2424343011301), we get a palindrome (3455446445543).

The spelling of 1031103434242 in words is "one trillion, thirty-one billion, one hundred three million, four hundred thirty-four thousand, two hundred forty-two".