31344140434311 has 6 divisors (see below), whose sum is σ = 45274869516240. Its totient is φ = 20896093622868.

The previous prime is 31344140434297. The next prime is 31344140434331. The reversal of 31344140434311 is 11343404144313.

31344140434311 is a `hidden beast` number, since 3 + 1 + 3 + 44 + 140 + 43 + 431 + 1 = 666.

It is not a de Polignac number, because 31344140434311 - 2⁵ = 31344140434279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31344140434331) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1741341135231 + ... + 1741341135248.

It is an arithmetic number, because the mean of its divisors is an integer number (7545811586040).

Almost surely, 2^{31344140434311} is an apocalyptic number.

31344140434311 is a deficient number, since it is larger than the sum of its proper divisors (13930729081929).

31344140434311 is a wasteful number, since it uses less digits than its factorization.

31344140434311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3482682270485 (or 3482682270482 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

Adding to 31344140434311 its reverse (11343404144313), we get a palindrome (42687544578624).

The spelling of 31344140434311 in words is "thirty-one trillion, three hundred forty-four billion, one hundred forty million, four hundred thirty-four thousand, three hundred eleven".