340437322431 has 12 divisors (see below), whose sum is σ = 500077423560. Its totient is φ = 223111465200.

The previous prime is 340437322417. The next prime is 340437322453. The reversal of 340437322431 is 134223734043.

340437322431 is a `hidden beast` number, since 3 + 40 + 4 + 373 + 2 + 243 + 1 = 666.

It is not a de Polignac number, because 340437322431 - 2¹⁰ = 340437321407 is a prime.

It is a super-2 number, since 2×340437322431² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340437322411) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 320561920 + ... + 320562981.

It is an arithmetic number, because the mean of its divisors is an integer number (41673118630).

Almost surely, 2^340437322431 is an apocalyptic number.

340437322431 is a deficient number, since it is larger than the sum of its proper divisors (159640101129).

340437322431 is a wasteful number, since it uses less digits than its factorization.

340437322431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641124966 (or 641124963 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 36.

The spelling of 340437322431 in words is "three hundred forty billion, four hundred thirty-seven million, three hundred twenty-two thousand, four hundred thirty-one".