340111031 has 16 divisors (see below), whose sum is σ = 377552448. Its totient is φ = 304377600.

The previous prime is 340111021. The next prime is 340111033. The reversal of 340111031 is 130111043.

It is a cyclic number.

It is not a de Polignac number, because 340111031 - 2¹⁴ = 340094647 is a prime.

It is a super-2 number, since 2×340111031² = 231351026815765922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 340110997 and 340111015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340111033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87101 + ... + 90921.

It is an arithmetic number, because the mean of its divisors is an integer number (23597028).

Almost surely, 2^340111031 is an apocalyptic number.

340111031 is a deficient number, since it is larger than the sum of its proper divisors (37441417).

340111031 is a wasteful number, since it uses less digits than its factorization.

340111031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4042.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 340111031 is about 18442.0994195346. The cubic root of 340111031 is about 698.0291713656.

Adding to 340111031 its reverse (130111043), we get a palindrome (470222074).

The spelling of 340111031 in words is "three hundred forty million, one hundred eleven thousand, thirty-one".