1031320142015 has 32 divisors (see below), whose sum is σ = 1276826664960. Its totient is φ = 799258096000.

The previous prime is 1031320142009. The next prime is 1031320142089. The reversal of 1031320142015 is 5102410231301.

It is not a de Polignac number, because 1031320142015 - 2³² = 1027025174719 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 125292950 + ... + 125301180.

It is an arithmetic number, because the mean of its divisors is an integer number (39900833280).

Almost surely, 2^{1031320142015} is an apocalyptic number.

1031320142015 is a deficient number, since it is larger than the sum of its proper divisors (245506522945).

1031320142015 is a wasteful number, since it uses less digits than its factorization.

1031320142015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13663.

The product of its (nonzero) digits is 720, while the sum is 23.

Adding to 1031320142015 its reverse (5102410231301), we get a palindrome (6133730373316).

The spelling of 1031320142015 in words is "one trillion, thirty-one billion, three hundred twenty million, one hundred forty-two thousand, fifteen".