340328837531 has 4 divisors (see below), whose sum is σ = 345907998864. Its totient is φ = 334749676200.

The previous prime is 340328837509. The next prime is 340328837557. The reversal of 340328837531 is 135738823043.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-340328837531 is a prime.

It is a super-2 number, since 2×340328837531² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340328837561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2789580575 + ... + 2789580696.

It is an arithmetic number, because the mean of its divisors is an integer number (86476999716).

Almost surely, 2^340328837531 is an apocalyptic number.

340328837531 is a deficient number, since it is larger than the sum of its proper divisors (5579161333).

340328837531 is an equidigital number, since it uses as much as digits as its factorization.

340328837531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5579161332.

The product of its (nonzero) digits is 1451520, while the sum is 47.

The spelling of 340328837531 in words is "three hundred forty billion, three hundred twenty-eight million, eight hundred thirty-seven thousand, five hundred thirty-one".