340412312021332 has 6 divisors (see below), whose sum is σ = 595721546037338. Its totient is φ = 170206156010664.

The previous prime is 340412312021329. The next prime is 340412312021357. The reversal of 340412312021332 is 233120213214043.

It can be written as a sum of positive squares in only one way, i.e., 320457472558276 + 19954839463056 = 17901326^2 + 4467084^2 .

It is a junction number, because it is equal to n+sod(n) for n = 340412312021294 and 340412312021303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42551539002663 + ... + 42551539002670.

Almost surely, 2^{340412312021332} is an apocalyptic number.

It is an amenable number.

340412312021332 is a deficient number, since it is larger than the sum of its proper divisors (255309234016006).

340412312021332 is a wasteful number, since it uses less digits than its factorization.

340412312021332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85103078005337 (or 85103078005335 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 340412312021332 its reverse (233120213214043), we get a palindrome (573532525235375).

The spelling of 340412312021332 in words is "three hundred forty trillion, four hundred twelve billion, three hundred twelve million, twenty-one thousand, three hundred thirty-two".