31012140315005 has 16 divisors (see below), whose sum is σ = 37224630445824. Its totient is φ = 24803004985920.

The previous prime is 31012140314999. The next prime is 31012140315007. The reversal of 31012140315005 is 50051304121013.

It is not a de Polignac number, because 31012140315005 - 2¹² = 31012140310909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31012140315007) 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, 405132035 + ... + 405208575.

It is an arithmetic number, because the mean of its divisors is an integer number (2326539402864).

Almost surely, 2^{31012140315005} is an apocalyptic number.

It is an amenable number.

31012140315005 is a deficient number, since it is larger than the sum of its proper divisors (6212490130819).

31012140315005 is a wasteful number, since it uses less digits than its factorization.

31012140315005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97396.

The product of its (nonzero) digits is 1800, while the sum is 26.

Adding to 31012140315005 its reverse (50051304121013), we get a palindrome (81063444436018).

The spelling of 31012140315005 in words is "thirty-one trillion, twelve billion, one hundred forty million, three hundred fifteen thousand, five".