1005131731342 has 8 divisors (see below), whose sum is σ = 1518702689376. Its totient is φ = 498897501552.

The previous prime is 1005131731333. The next prime is 1005131731361. The reversal of 1005131731342 is 2431371315001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1834181718 + ... + 1834182265.

It is an arithmetic number, because the mean of its divisors is an integer number (189837836172).

Almost surely, 2^{1005131731342} is an apocalyptic number.

1005131731342 is a deficient number, since it is larger than the sum of its proper divisors (513570958034).

1005131731342 is a wasteful number, since it uses less digits than its factorization.

1005131731342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3668364122.

The product of its (nonzero) digits is 7560, while the sum is 31.

The spelling of 1005131731342 in words is "one trillion, five billion, one hundred thirty-one million, seven hundred thirty-one thousand, three hundred forty-two".