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43213412031 = 314404470677
BaseRepresentation
bin101000001111101110…
…000101011010111111
311010112121122210002220
4220033232011122333
51202000113141111
631504005220423
73056603640666
oct501756053277
9133477583086
1043213412031
1117365932069
128460101713
1340c8a389ba
14213d287ddd
1511cdb83e06
hexa0fb856bf

43213412031 has 4 divisors (see below), whose sum is σ = 57617882712. Its totient is φ = 28808941352.

The previous prime is 43213412029. The next prime is 43213412059. The reversal of 43213412031 is 13021431234.

It is a happy number.

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 43213412031 - 21 = 43213412029 is a prime.

It is a super-2 number, since 2×432134120312 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 43213411992 and 43213412010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43213412131) 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, 7202235336 + ... + 7202235341.

It is an arithmetic number, because the mean of its divisors is an integer number (14404470678).

Almost surely, 243213412031 is an apocalyptic number.

43213412031 is a deficient number, since it is larger than the sum of its proper divisors (14404470681).

43213412031 is a wasteful number, since it uses less digits than its factorization.

43213412031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14404470680.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 43213412031 its reverse (13021431234), we get a palindrome (56234843265).

The spelling of 43213412031 in words is "forty-three billion, two hundred thirteen million, four hundred twelve thousand, thirty-one".

Divisors: 1 3 14404470677 43213412031