340111302131131 has 4 divisors (see below), whose sum is σ = 340373531355352. Its totient is φ = 339849072906912.

The previous prime is 340111302131101. The next prime is 340111302131143. The reversal of 340111302131131 is 131131203111043.

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

It is a cyclic number.

It is not a de Polignac number, because 340111302131131 - 2⁵ = 340111302131099 is a prime.

It is a super-2 number, since 2×340111302131131² (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 = 340111302131096 and 340111302131105.

It is not an unprimeable number, because it can be changed into a prime (340111302131101) 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, 131114610165 + ... + 131114612758.

It is an arithmetic number, because the mean of its divisors is an integer number (85093382838838).

Almost surely, 2^{340111302131131} is an apocalyptic number.

340111302131131 is a deficient number, since it is larger than the sum of its proper divisors (262229224221).

340111302131131 is a wasteful number, since it uses less digits than its factorization.

340111302131131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262229224220.

The product of its (nonzero) digits is 648, while the sum is 25.

Adding to 340111302131131 its reverse (131131203111043), we get a palindrome (471242505242174).

The spelling of 340111302131131 in words is "three hundred forty trillion, one hundred eleven billion, three hundred two million, one hundred thirty-one thousand, one hundred thirty-one".