340312142020331 has 32 divisors (see below), whose sum is σ = 377309608704000. Its totient is φ = 304973845994880.

The previous prime is 340312142020313. The next prime is 340312142020379. The reversal of 340312142020331 is 133020241213043.

It is a cyclic number.

It is not a de Polignac number, because 340312142020331 - 2¹⁴ = 340312142003947 is a prime.

It is a super-2 number, since 2×340312142020331² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 340312142020294 and 340312142020303.

It is not an unprimeable number, because it can be changed into a prime (340312142020381) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 64748666 + ... + 69806976.

It is an arithmetic number, because the mean of its divisors is an integer number (11790925272000).

Almost surely, 2^{340312142020331} is an apocalyptic number.

340312142020331 is a deficient number, since it is larger than the sum of its proper divisors (36997466683669).

340312142020331 is a wasteful number, since it uses less digits than its factorization.

340312142020331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5059259.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 340312142020331 its reverse (133020241213043), we get a palindrome (473332383233374).

The spelling of 340312142020331 in words is "three hundred forty trillion, three hundred twelve billion, one hundred forty-two million, twenty thousand, three hundred thirty-one".