31023132323313 has 16 divisors (see below), whose sum is σ = 44546632133696. Its totient is φ = 19090902934080.

The previous prime is 31023132323279. The next prime is 31023132323357. The reversal of 31023132323313 is 31332323132013.

It is not a de Polignac number, because 31023132323313 - 2¹⁰ = 31023132322289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31023132323363) 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, 2347783 + ... + 8219388.

It is an arithmetic number, because the mean of its divisors is an integer number (2784164508356).

Almost surely, 2^{31023132323313} is an apocalyptic number.

It is an amenable number.

31023132323313 is a deficient number, since it is larger than the sum of its proper divisors (13523499810383).

31023132323313 is a wasteful number, since it uses less digits than its factorization.

31023132323313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10642464.

The product of its (nonzero) digits is 17496, while the sum is 30.

Adding to 31023132323313 its reverse (31332323132013), we get a palindrome (62355455455326).

The spelling of 31023132323313 in words is "thirty-one trillion, twenty-three billion, one hundred thirty-two million, three hundred twenty-three thousand, three hundred thirteen".