Search a number
-
+
343440034031 = 1720202354943
BaseRepresentation
bin1001111111101101001…
…11110000100011101111
31012211110221000101210102
410333312213300203233
521111331122042111
6421435115501315
733545523060023
oct4776647604357
91184427011712
10343440034031
11122719a44876
125668945783b
13265037b3163
14128a053c383
158e011aa13b
hex4ff69f08ef

343440034031 has 4 divisors (see below), whose sum is σ = 363642388992. Its totient is φ = 323237679072.

The previous prime is 343440034027. The next prime is 343440034103. The reversal of 343440034031 is 130430044343.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 130430044343 = 653199739731.

It is a cyclic number.

It is not a de Polignac number, because 343440034031 - 22 = 343440034027 is a prime.

It is a super-2 number, since 2×3434400340312 (a number of 24 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 = 343440033985 and 343440034003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343440034631) 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, 10101177455 + ... + 10101177488.

It is an arithmetic number, because the mean of its divisors is an integer number (90910597248).

Almost surely, 2343440034031 is an apocalyptic number.

343440034031 is a deficient number, since it is larger than the sum of its proper divisors (20202354961).

343440034031 is a wasteful number, since it uses less digits than its factorization.

343440034031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20202354960.

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 343440034031 its reverse (130430044343), we get a palindrome (473870078374).

The spelling of 343440034031 in words is "three hundred forty-three billion, four hundred forty million, thirty-four thousand, thirty-one".

Divisors: 1 17 20202354943 343440034031