1023314131515 has 32 divisors (see below), whose sum is σ = 1763640841536. Its totient is φ = 503673454080.

The previous prime is 1023314131507. The next prime is 1023314131571. The reversal of 1023314131515 is 5151314133201.

It is not a de Polignac number, because 1023314131515 - 2³ = 1023314131507 is a prime.

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, 299925 + ... + 1461705.

It is an arithmetic number, because the mean of its divisors is an integer number (55113776298).

Almost surely, 2^{1023314131515} is an apocalyptic number.

1023314131515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1023314131515 is a deficient number, since it is larger than the sum of its proper divisors (740326710021).

1023314131515 is a wasteful number, since it uses less digits than its factorization.

1023314131515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1166319.

The product of its (nonzero) digits is 5400, while the sum is 30.

Adding to 1023314131515 its reverse (5151314133201), we get a palindrome (6174628264716).

The spelling of 1023314131515 in words is "one trillion, twenty-three billion, three hundred fourteen million, one hundred thirty-one thousand, five hundred fifteen".