1031142110442 has 32 divisors (see below), whose sum is σ = 2133543412800. Its totient is φ = 331839126528.

The previous prime is 1031142110431. The next prime is 1031142110447. The reversal of 1031142110442 is 2440112411301.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1031142110447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2447434 + ... + 2837642.

It is an arithmetic number, because the mean of its divisors is an integer number (66673231650).

Almost surely, 2^{1031142110442} is an apocalyptic number.

1031142110442 is an abundant number, since it is smaller than the sum of its proper divisors (1102401302358).

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

1031142110442 is a wasteful number, since it uses less digits than its factorization.

1031142110442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405430.

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 1031142110442 its reverse (2440112411301), we get a palindrome (3471254521743).

The spelling of 1031142110442 in words is "one trillion, thirty-one billion, one hundred forty-two million, one hundred ten thousand, four hundred forty-two".