340440330210031 has 16 divisors (see below), whose sum is σ = 342782614636000. Its totient is φ = 338104073134080.

The previous prime is 340440330209843. The next prime is 340440330210103. The reversal of 340440330210031 is 130012033044043.

It is a cyclic number.

It is not a de Polignac number, because 340440330210031 - 2¹⁵ = 340440330177263 is a prime.

It is a super-2 number, since 2×340440330210031² (a number of 30 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 (340440330510031) 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, 2277255196 + ... + 2277404686.

It is an arithmetic number, because the mean of its divisors is an integer number (21423913414750).

Almost surely, 2^{340440330210031} is an apocalyptic number.

340440330210031 is a deficient number, since it is larger than the sum of its proper divisors (2342284425969).

340440330210031 is a wasteful number, since it uses less digits than its factorization.

340440330210031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169546.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 340440330210031 its reverse (130012033044043), we get a palindrome (470452363254074).

The spelling of 340440330210031 in words is "three hundred forty trillion, four hundred forty billion, three hundred thirty million, two hundred ten thousand, thirty-one".