31144020333007 has 2 divisors, whose sum is σ = 31144020333008. Its totient is φ = 31144020333006.

The previous prime is 31144020332941. The next prime is 31144020333091. The reversal of 31144020333007 is 70033302044113.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31144020333007 - 2¹¹ = 31144020330959 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 31144020333007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31144020337007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15572010166503 + 15572010166504.

It is an arithmetic number, because the mean of its divisors is an integer number (15572010166504).

Almost surely, 2^{31144020333007} is an apocalyptic number.

31144020333007 is a deficient number, since it is larger than the sum of its proper divisors (1).

31144020333007 is an equidigital number, since it uses as much as digits as its factorization.

31144020333007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 31.

The spelling of 31144020333007 in words is "thirty-one trillion, one hundred forty-four billion, twenty million, three hundred thirty-three thousand, seven".