1031344342142 has 16 divisors (see below), whose sum is σ = 1621389474432. Its totient is φ = 491078722200.

The previous prime is 1031344342139. The next prime is 1031344342169. The reversal of 1031344342142 is 2412434431301.

It is a junction number, because it is equal to n+sod(n) for n = 1031344342099 and 1031344342108.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49373984 + ... + 49394867.

It is an arithmetic number, because the mean of its divisors is an integer number (101336842152).

Almost surely, 2^{1031344342142} is an apocalyptic number.

1031344342142 is a deficient number, since it is larger than the sum of its proper divisors (590045132290).

1031344342142 is a wasteful number, since it uses less digits than its factorization.

1031344342142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98769103.

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 1031344342142 its reverse (2412434431301), we get a palindrome (3443778773443).

The spelling of 1031344342142 in words is "one trillion, thirty-one billion, three hundred forty-four million, three hundred forty-two thousand, one hundred forty-two".