31334020010031 has 16 divisors (see below), whose sum is σ = 41821776483968. Its totient is φ = 20867808276000.

The previous prime is 31334020010021. The next prime is 31334020010057. The reversal of 31334020010031 is 13001002043313.

It is not a de Polignac number, because 31334020010031 - 2⁹ = 31334020009519 is a prime.

It is a super-2 number, since 2×31334020010031² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31334020010011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39833316 + ... + 40612326.

It is an arithmetic number, because the mean of its divisors is an integer number (2613861030248).

Almost surely, 2^{31334020010031} is an apocalyptic number.

31334020010031 is a deficient number, since it is larger than the sum of its proper divisors (10487756473937).

31334020010031 is a wasteful number, since it uses less digits than its factorization.

31334020010031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 792822.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 31334020010031 its reverse (13001002043313), we get a palindrome (44335022053344).

The spelling of 31334020010031 in words is "thirty-one trillion, three hundred thirty-four billion, twenty million, ten thousand, thirty-one".